| Mathematician's principle, first to last attached to basis of logarithms (5) |
The Guardian Cryptic |
21 Oct 2025 |
| Leonhard -, 18th-century mathematician noted for his work on the calculus of variation (5) |
Mirror Quiz |
13 Oct 2025 |
| Leonhard who helped develop calculus |
New York Times |
11 Sep 2025 |
| Calculus pioneer |
Newsday |
01 Aug 2025 |
| 18th-century math great |
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| Great Swiss mathematician |
The Times Concise |
07 Jun 2025 |
| Euclid's first rule confounded mathematician |
The Sun Two Speed |
30 May 2025 |
| Calculus pioneer |
The Sun Two Speed |
30 May 2025 |
| Mathematician's rule about conserving energy |
The Times Sunday Cryptic |
27 Apr 2025 |
| Leonhard ___, Swiss mathematician (5) |
The Telegraph Mini |
26 Apr 2025 |
| Swiss mathematician |
Eugene Sheffer |
19 Mar 2025 |
| Swiss mathematician (5) |
The Guardian Quick |
19 Feb 2025 |
| Swiss mathematician and physicist |
The Telegraph Cross Atlantic |
18 Feb 2025 |
| Leonhard, 18c Swiss mathematician noted for his work on the calculus of variation (5) |
|
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| Mathematician often seen as the founder of topology |
The Times Specialist Sunday |
16 Feb 2025 |
| Calculus pioneer Leonhard |
Wall Street Journal |
04 Feb 2025 |
| Mathematician on Swiss 10-franc bills |
|
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| Graph theory pioneer |
LA Times Daily |
19 Jan 2025 |
| Leonhard -, 18th-century mathematician noted for his work on the calculus of variation |
Mirror Quiz |
23 Dec 2024 |
| Great Swiss mathematician |
The Times Specialist |
16 Dec 2024 |
| Leonhard of pure mathematics |
Premier Sunday |
01 Dec 2024 |
| Which Swiss mathematician wrote Introduction to the Analysis of the in finite (1748) |
|
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| "Elements of Algebra" author |
Wall Street Journal |
16 Nov 2024 |
| Base rule formulated by mathematician (5) |
|
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| Swiss mathematician |
The Telegraph Plusword |
18 Sep 2024 |
| Prolific Swiss mathematician |
LA Times Mini |
23 Aug 2024 |
| Mathematician echoing a sort of ship |
Newsday |
17 Aug 2024 |
| Mathematician who wrote the first theorem of graph theory |
LA Times Daily |
04 Aug 2024 |
| Calculus pioneer |
The Sun Two Speed |
01 Aug 2024 |
| European ruler beheaded mathematician |
The Sun Two Speed |
01 Aug 2024 |
| Swiss mathematician Leonhard |
Universal |
25 Jul 2024 |
| Swedish physiologist Ulf ___ |
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| e male? |
|
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| Leonhard, 18th-century Swiss mathematician noted for his work on the calculus of variation (5) |
|
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| European leader not primarily a numbers whizz |
|
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| Backstreet in Paris? Within it, the French and Swiss whizz (5) |
The Guardian Cryptic |
29 May 2024 |
| Swiss mathematics great |
Wall Street Journal |
25 May 2024 |
| Leonhard ___, Swiss mathematician and author of "Elements of Algebra" |
|
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| Pioneering Swiss mathematician and physicist |
|
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| Turning light again as it was losing mass, a scientific phenomenon |
The Times Mephisto |
12 May 2024 |
| Calculus pioneer |
Newsday |
05 May 2024 |
| Inspiration to many mathematicians |
Newsday |
04 May 2024 |
| Leonhard -, 18th-century mathematician noted for his work on the calculus of variation |
Mirror Quiz |
03 May 2024 |
| 18th-century Swiss mathematician |
The Times Concise |
18 Apr 2024 |
| Mathematician known for the constant "e" (2.71828) |
New York Times |
14 Mar 2024 |
| Leonhard ___, mathematician (5) |
|
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| Swiss mathematics great |
Wall Street Journal |
03 Feb 2024 |
| Leonhard -, 18th-century mathematician noted for his work on the calculus of variation |
Mirror Quiz |
29 Jan 2024 |
| Leonhard ___, 1707-1783, pre-eminent Swiss mathematician |
|
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| Namesake of the mathematical constant e |
|
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| Mathematician heads to Egypt upon learning exchange rates (5) |
|
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| Swiss mathematician who introduced functional notation |
New York Times |
20 Dec 2023 |
| Calculus pioneer |
The Sun Two Speed |
29 Oct 2023 |
| English ruler beheaded mathematician |
The Sun Two Speed |
29 Oct 2023 |
| Swiss math great |
Wall Street Journal |
10 Oct 2023 |
| In maths, graph theory began with Leonhard ____'s negative resolution of the Bridges of Königsberg problem |
The Times Specialist Sunday |
01 Oct 2023 |
| Yardstick that's abandoned right for English mathematician |
The Times Cryptic |
15 Sep 2023 |
| Mathematician's electronic measuring device not right |
The Telegraph Cryptic |
01 Sep 2023 |
| Pioneer in calculus notation |
New York Times |
19 Jul 2023 |
| Leonhard ____'s 'identity' combines e, i, pi, 1 and 0 as fundamental numbers in mathematics |
The Times Specialist Sunday |
16 Jul 2023 |
| Swiss mathematician |
The Times Concise |
12 Nov 2022 |
| Hugely influential Swiss mathematician, d. 1783 |
The Guardian Quick |
17 Aug 2022 |
| Calculus pioneer |
The Telegraph Quick |
20 Jul 2022 |
| Calculus pioneer |
Newsday |
08 Jul 2022 |
| Mathematician known for e and i |
Universal |
23 Jun 2022 |
| Maths expert's the person in charge when Head of English stands in for absent cover |
The Telegraph Toughie |
01 Jun 2022 |
| Swiss mathematical great |
Wall Street Journal |
02 Apr 2022 |
| Swiss author of "Elements of Algebra" |
New York Times |
16 Mar 2022 |
| 'Elements of Algebra' author |
The Washington Post |
27 Feb 2022 |
| "Elements of Algebra" author |
LA Times Daily |
27 Feb 2022 |
| Mathematician‘s logarithmic base rule broken |
|
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| Calculus pioneer |
The Washington Post |
06 Feb 2022 |
| Calculus pioneer |
LA Times Daily |
06 Feb 2022 |
| “Institutiones Calculi Integralis” author |
Wall Street Journal |
23 Dec 2021 |
| 1736 writer of a seminal paper on graph theory |
LA Times Daily |
23 Dec 2021 |
| Mathematician from Spain developed rule |
The Telegraph Cryptic |
06 Aug 2021 |
| Swiss mathematician Leonhard |
Wall Street Journal |
28 Jun 2021 |
| Calculus pioneer |
Newsday |
16 Jun 2021 |
| Swiss mathematician |
Newsday |
18 Apr 2021 |
| Calculus pioneer Leonhard |
Premier Sunday |
11 Apr 2021 |
| Mathematician showing hesitation about principle that's not right |
|
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| Oriental king beheaded mathematician |
|
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| Swiss mathematician |
Eugene Sheffer |
15 Jan 2021 |
| English sovereign beheaded calculating Swiss |
The Telegraph Toughie |
12 Jan 2021 |
| Mathematical Leonhard |
The Washington Post Sunday |
10 Jan 2021 |
| An irrational king executed a mathematician |
|
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| Mathematician showing odd parts equalled four, finally |
|
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| Leonhard of mathematics |
Universal |
27 Sep 2020 |
| Swiss geometer |
Thomas Joseph |
19 Sep 2020 |
| 'Elements of Algebra' author, 1770 |
New York Times |
06 Sep 2020 |
| Swiss mathematician |
The Times Concise |
27 Aug 2020 |
| "Elements of Algebra" author |
LA Times Daily |
15 Aug 2020 |
| 'Elements of Algebra' author |
The Washington Post |
15 Aug 2020 |
| Calculus pioneer |
The Telegraph Quick |
15 Aug 2020 |
| Calculus pioneer |
The Washington Post |
09 Aug 2020 |
| Calculus pioneer |
LA Times Daily |
09 Aug 2020 |
| Introducer of the math symbol 'e' |
New York Times |
25 Jul 2020 |
| Trig formula originator |
The Washington Post Sunday |
19 Jul 2020 |
| English monarch beheaded calculating Swiss |
|
|
| Introducer of the symbol 'e' for natural logs |
New York Times |
14 Jun 2020 |
| English monarch beheaded calculating Swiss |
The Sun Two Speed |
12 Apr 2020 |
| Calculus pioneer |
The Sun Two Speed |
12 Apr 2020 |
| Pioneer in graph theory |
New York Times |
04 Apr 2020 |
| Mathematician whom Laplace called “the master of us all” |
Wall Street Journal |
07 Mar 2020 |
| Prolific Swiss mathematician |
Universal |
14 Nov 2019 |
| Swiss mathematician |
The Washington Post |
01 Oct 2019 |
| Swiss mathematician |
LA Times Daily |
01 Oct 2019 |
| Pioneer in graph theory |
Premier Sunday |
22 Sep 2019 |
| Sacré bleu! Wrong cab's gone off for mathematician |
|
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| Mathematician once pictured on Swiss money |
New York Times |
19 Aug 2019 |
| Mathematician taught by Bernoulli |
New York Times |
11 Aug 2019 |
| Swiss calculus pioneer |
The Washington Post |
08 Jul 2019 |
| Swiss calculus pioneer |
LA Times Daily |
08 Jul 2019 |
| Swiss mathematician who nearly went blind |
Universal |
12 Jun 2019 |
| Swiss calculus pioneer |
Universal |
25 Apr 2019 |
| Number theory pioneer |
Universal |
24 Mar 2019 |
| Swiss mathematician Leonhard ___ |
|
|
| Swiss mathematician (1707-83) |
The Telegraph General Knowledge |
07 Jan 2019 |
| Swiss mathematician |
|
|
| Mathematician taught by Bernoulli |
|
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| Great Swiss mathematician |
|
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| Swiss calculus pioneer |
|
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| Swiss mathematician who nearly went blind |
|
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| Swiss calculus pioneer |
|
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| Number theory pioneer |
|
|
| Mathematician once pictured on Swiss money |
|
|
| Calculus pioneer |
The Washington Post Sunday |
16 Sep 2018 |
| Mathematician joins spa for unorthodox pleasure |
|
|
| 'Elements of Algebra' author |
Wall Street Journal |
17 Jul 2018 |
| Calculus pioneer Leonhard |
USA Today |
10 Jul 2018 |
| Famous blind mathematician |
Universal |
22 Jun 2018 |
| Swiss calculus pioneer |
The Sun Two Speed |
21 Jun 2018 |
| English ruler beheaded Calculus mathematician |
The Sun Two Speed |
21 Jun 2018 |
| Swiss name in graph theory |
The Chronicle of Higher Education |
11 May 2018 |
| Swiss mathematician Leonhard |
Universal |
09 May 2018 |
| Noted blind mathematician |
New York Times |
13 Jan 2018 |
| Calculus pioneer Leonhard |
|
|
| "Elements of Algebra" author |
|
|
| Swiss name in graph theory |
|
|
| Swiss mathematician Leonhard |
|
|
| Famous blind mathematician |
|
|
| Noted blind mathematician |
|
|
| 'Introduction to the Analysis of the Infinite' writer |
New York Times |
05 Nov 2017 |
| 18th-century pioneer in graph theory |
New York Times |
13 Oct 2017 |
| Mathematician/engineer looking for regularity in equal gears |
|
|
| Mathematician establishing new rule about transcendental number |
The Telegraph Cryptic |
11 Aug 2017 |
| English monarch beheaded calculating Swiss |
|
|
| Mathematician whose name sounds like a fuel ship |
New York Times |
31 Jul 2017 |
| Turn to write another hint for solvers missing Celsius for scientist |
The Times Cryptic |
18 Jul 2017 |
| Turn to write another hint for solvers missing Celsius for scientist |
|
|
| Rule broken by Oriental mathematician |
|
|
| Euclid's first rule confounded by mathematician |
|
|
| 18th-century mathematician who introduced the function |
New York Times |
28 Mar 2017 |
| English monarch dismissing Republican mathematician |
The Times Cryptic |
23 Mar 2017 |
| Swiss mathematician |
Wall Street Journal |
10 Jan 2017 |
| Well-spoken mathematician |
|
|
| Mathematician whose name sounds like a fuel ship |
|
|
| "Introduction to the Analysis of the Infinite" writer |
|
|
| 18th-century mathematician who introduced the function |
|
|
| 18th-century pioneer in graph theory |
|
|
| Calculus pioneer |
|
|
| Mathematician's base rule is wrongly stated |
|
|
| Big name in calculus |
The Chronicle of Higher Education |
18 Nov 2016 |
| Base rule made by mathematician |
|
|
| Mathematician Leonhard |
Wall Street Journal |
22 Oct 2016 |
| Regret over being punched by heartless low-life in famous summer |
The Telegraph Toughie |
20 Sep 2016 |
| Great Swiss mathematician |
Wall Street Journal |
03 Aug 2016 |
| Mathematician whose name sounds like a ship |
New York Times |
28 Jun 2016 |
| The French in their way rejected Swiss scientist |
|
|
| Swiss mathematician Leonhard |
Jonesin |
22 Mar 2016 |
| Swiss mathema-tician |
Eugene Sheffer |
19 Mar 2016 |
| Calculus pioneer |
Universal |
24 Feb 2016 |
| Pioneer in pure mathematics |
Wall Street Journal |
13 Feb 2016 |
| Calculus pioneer |
The Chronicle of Higher Education |
29 Jan 2016 |
| Graph theory pioneer |
|
|
| Calculus pioneer |
|
|
| "Elements of Algebra" author |
|
|
| Mathematician whose name sounds like a ship |
|
|
| Big name in calculus |
|
|
| Mathematician's base formula right in the end |
|
|
| Mathematician keeps things working smoothly, they say |
|
|
| Noted blind mathematician |
Universal |
22 Feb 2015 |
| Swiss who studied lunar motion |
The Chronicle of Higher Education |
06 Feb 2015 |
| Calculus pioneer |
Premier Sunday |
11 Jan 2015 |
| Swiss mathematician |
|
|
| Swiss who studied lunar motion |
|
|
| Pioneer in pure mathematics |
|
|
| Swiss math giant |
|
|
| Calculus pioneer |
|
|
| Mathematician whom Le Corbusier replaced on the Swiss 10-franc note |
|
|
| Noted blind mathematician |
|
|
| Mathematician bending rule about first of equations |
|
|
| Calculus pioneer Leonhard |
|
|
| Calculus pioneer |
|
|
| Swiss math guy |
|
|
| Noted Swiss mathematician Leonhard |
|
|
| Calculus pioneer |
|
|
| Mathematician whose work pioneered concepts represented by the symbol at the center of this puzzle |
|
|
| Calculus pioneer Leonhard |
|
|
| Mathematician starts to expand upon Lagrange's extraordinary results |
|
|
| Giant of 18th-century math |
|
|
| 18th-century Swiss mathematician |
|
|
| Noted Swiss mathematician (1707-83) |
|
|
| 18th-century Swiss mathematician |
|
|
| Major name in mathematics |
|
|
| Pioneering mathematician |
|
|
| Swiss calculus pioneer |
|
|
| Swiss calculus pioneer |
|
|
| Swiss mathematician |
|
|
| Bernoulli contemporary |
|
|
| Swiss who pioneered in graph theory |
|
|
| Swiss mathematics pioneer |
|
|
| Friend and colleague of Bernoulli |
|
|
| Originator of the formula e^ix = cos x + i sin x |
|
|
| Swiss 5-Across pioneer |
|
|
| Calculus pioneer Leonhard |
|
|
| Swiss calculus pioneer Leonhard |
|
|
| Basel-born mathematician |
|
|
| Swiss mathematician Leonhard |
|
|
| Basel-born mathematician |
|
|
| He introduced the symbol "e" for natural logs |
|
|
| Calculus innovator Leonhard |
|
|
| Great Swiss mathematician |
|
|
| Calculus pioneer |
|
|
| Calculus pioneer |
|
|
| Big name in math |
|
|
| Swiss calculus pioneer |
|
|
| Introducer of the math symbol "e" |
|
|
| Swiss mathematician |
|
|
| Swiss mathematician Leonhard |
|
|
| Swiss mathematician who introduced trig notations |
|
|
| Leonhard the mathematician |
|
|
| Goldbach contemporary |
|
|
| Swiss math great who solved the Königsberg bridge problem |
|
|
| "Institutiones Calculi Integralis" writer |
|
|
| Originator of the equation e to the power (pi * i) + 1 = 0 |
|
|
| Integral calculus pioneer |
|
|
| Mathematician who disproved Fermat's conjecture |
|
|
| Mathematician who introduced the symbol e for the base of natural logarithms |
|
|
| Mathematician who introduced the function symbol f(x) |
|
|
| Leonhard the mathematician |
|
|
| Noted Swiss mathematician |
|
|
| Mathematician seen on a Swiss 10-franc note |
|
|
| Discoverer of the law of quadratic reciprocity |
|
|
| 18th-century Swiss math great |
|
|
| Pioneer in number theory |
|
|
| Swiss mathematician Leonard |
|
|
| 18th-century mathematician |
|
|
| Swiss mathematician Leonhard |
|
|
| 18th-century mathematician |
|
|
| Calculus pioneer |
|
|
| Pioneer in the math of sudoku |
|
|
| Calculus developer |
|
|
| Mathematician whom Laplace described as "our master in everything" |
|
|
| Formulator of the quadratic reciprocity law |
|
|
| Swiss mathematician Leonhard who solved the Königsberg bridge problem |
|
|
| Mathematician known as "Analysis Incarnate" |
|
|
| Author of "Introduction to Algebra" |
|
|
| Formulator of the law of quadratic reciprocity |
|
|
| Swiss mathematician Leonhard |
|
|
| Mathematician Leonhard |
|
|
| Swiss mathematician |
|
|
| 18th-century Swiss mathematician |
|
|
| 18th c. Swiss mathematician |
|
|
| Calculus developer |
|
|
| Mathematician Leonhard |
|
|
| Analytic geometry giant |
|
|
| He wrote over 70 books on mathematics |
|
|
| Major name in analytic geometry |
|
|
| Blind mathematician born in Basel |
|
|
| Mathematician who was blind for his last 17 years |
|
|
| 18th c. Swiss mathematician |
|
|
| Basel-born mathematician |
|
|
| Swiss mathematician |
|
|
| Swiss math whiz |
|
|
| Swiss mathematician |
|
|
| Calculus developer |
|
|
| "Theoria motuum lunae" writer |
|
|
| Swiss mathematician |
|
|
| Noted student of Bernoulli |
|
|
| Noted Swiss mathematician |
|
|
| Mathematician with a formula named after him |
|
|
| Prolific writer on calculus |
|
|
| Solver of the Königsberg bridge problem |
|
|
| Noted Swiss mathematician |
|
|
| Pioneer in calculus |
|
|
| Mathematician Leonhard |
|
|
| Pioneer in calculus notation |
|
|
| Swiss mathematician: 1707-83 |
|
|
| Noted Swiss mathematician: 1707-83 |
|
|
| Famed Swiss mathematician |
|
|
| A lunar crater |
|
|
| Swiss mathematician: 18th century |
|
|
| Swiss mathematician |
|
|
| Great Swiss mathematician |
|
|
| Swiss mathematician for whom a lunar crater was named |
|
|
| Swiss mathematician: 1707–83 |
|
|
| Noted Swiss mathematician: 18th century |
|
|
| Nobelist in Physiology: 1970 |
|
|
| Famous Swiss mathematician |
|
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| Noted 18th-century mathematician |
|
|
| Swiss physicist |
|
|
| Swiss mathematician. |
|
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| Swiss mathematician (1707–83). |
|
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| Founder of higher mathematics. |
|
|
| Famous Swiss mathematician. |
|
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| Swiss mathematician (1707–1783). |
|
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| 18th c. mathematician. |
|
|
| Calculus expert, Swiss-born. |
|
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| 18th century mathematician. |
|
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| Swiss scientist. |
|
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| Swiss mathematician Leonhard |
|
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| Mathematician who named the constant e |
|
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