- - Swiss mathematician who popularized usage of pi
- - Leonhard ....'s "identity" combines e, i, pi, 1 and 0 as fundamental numbers in mathematics
- - Inside purlieu Leroy found Swiss mathematician
- - Hugely influential Swiss mathematician, d. 1783
- - swiss mathematical great
- - Swiss author of "Elements of Algebra"
- - The French in their way sent up Swiss scientist
- - Famed Swiss mathematician
- - Swiss physicist
- - Swiss mathematician: 18th century
- - Swiss mathematician, d. 1783
- - Swiss mathematician for whom a lunar crater was named
- - Swiss math great
- - Swiss genius
- - Pioneer in calculus notation
- - Pioneer in calculus
- - Noted Swiss mathematician: 18th century
- - Mathematician once featured on Swiss banknotes
- - Famous Swiss mathematician
- - Analytical geometry pioneer
- - Leonhard of mathematics
- - Swiss geometer
- - Swiss mathematician
- - Calculus pioneer
- - English monarch beheaded calculating Swiss
- - Pioneer in graph theory
- - Prolific Swiss mathematician
- - Mathematician once pictured on Swiss money
- - Swiss calculus pioneer
- - Swiss mathematician who nearly went blind
- - Number theory pioneer
- - Swiss mathematician (1707-83)
- - Great Swiss mathematician
- - Calculus pioneer Leonhard
- - Swiss name in graph theory
- - Swiss mathematician Leonhard
- - 18th-century pioneer in graph theory
- - Swiss mathema-tician
- - Pioneer in pure mathematics
- - Graph theory pioneer
- - Swiss who studied lunar motion
- - Swiss math giant
- - Mathematician whom Le Corbusier replaced on the Swiss 10-franc note
- - Noted Swiss mathematician Leonhard
- - Swiss math guy
- - Noted Swiss mathematician (1707-83)
- - 18th-century Swiss mathematician
- - Major name in mathematics
- - Swiss who pioneered in graph theory
- - Swiss 5-Across pioneer
- - Swiss mathematics pioneer
- - Swiss calculus pioneer Leonhard
- - Swiss mathematician who introduced trig notations
- - Swiss math great who solved the Königsberg bridge problem
- - Integral calculus pioneer
- - Noted Swiss mathematician
- - Mathematician seen on a Swiss 10-franc note
- - 18th-century Swiss math great
- - Pioneer in number theory
- - Swiss mathematician Leonard
- - Pioneer in the math of sudoku
- - Swiss mathematician Leonhard who solved the Königsberg bridge problem
- - 18th c. Swiss mathematician
- - He wrote over 70 books on mathematics
- - Swiss math whiz
- - backstreet in paris? within it, the french and swiss whizz
- - leonhard ---, swiss mathematician
- - mathematician who laplace called "the master of us all"
- - A number whizz about, spinning after regular servings of tequila
- - Mathematician known for e and i
- - Mathematician's logarithmic base rule broken
- - English monarch dismissing first King's Mathematician
- - "Institutiones Calculi Integralis" author
- - 1736 writer of a seminal paper on graph theory
- - English ruler beheaded mathematician
- - Leonhard .... gave i and e their mathematical meanings
- - on reflection, regret inviting the french mathematician
- - Mathematician
- - Solver of the Königsberg bridge problem
- - Prolific writer on calculus
- - Noted 18th-century mathematician
- - Nobelist in Physiology: 1970
- - Mathematician who named the constant e
- - A lunar crater
- - 'Elements of Algebra' author, 1770
- - 'Elements of Algebra' author
- - Introducer of the math symbol 'e'
- - Trig formula originator
- - Introducer of the symbol 'e' for natural logs
- - Mathematician whom Laplace called "the master of us all"
- - Mathematician taught by Bernoulli
- - Famous blind mathematician
- - English ruler beheaded Calculus mathematician
- - Noted blind mathematician
- - 'Introduction to the Analysis of the Infinite' writer
- - Mathematician establishing new rule about transcendental number
- - Mathematician whose name sounds like a fuel ship
- - Turn to write another hint for solvers missing Celsius for scientist
- - 18th-century mathematician who introduced the function
- - English monarch dismissing Republican mathematician
- - Big name in calculus
- - Mathematician Leonhard
- - Regret over being punched by heartless low-life in famous summer
- - Mathematician whose name sounds like a ship
- - Mathematician whose work pioneered concepts represented by the symbol at the center of this puzzle
- - Giant of 18th-century math
- - Pioneering mathematician
- - Bernoulli contemporary
- - Originator of the formula e^ix = cos x + i sin x
- - Friend and colleague of Bernoulli
- - Calculus innovator Leonhard
- - He introduced the symbol "e" for natural logs
- - Basel-born mathematician
- - Leonhard the mathematician
- - Goldbach contemporary
- - Big name in math
- - Originator of the equation e to the power (pi * i) + 1 = 0
- - "Institutiones Calculi Integralis" writer
- - Mathematician who introduced the symbol e for the base of natural logarithms
- - Mathematician who disproved Fermat's conjecture
- - Mathematician who introduced the function symbol f(x)
- - Discoverer of the law of quadratic reciprocity
- - 18th-century mathematician
- - Calculus developer
- - Formulator of the quadratic reciprocity law
- - Mathematician whom Laplace described as "our master in everything"
- - Mathematician known as "Analysis Incarnate"
- - Major name in analytic geometry
- - Analytic geometry giant
- - Formulator of the law of quadratic reciprocity
- - Author of "Introduction to Algebra"
- - Mathematician who was blind for his last 17 years
- - "Theoria motuum lunae" writer
- - Blind mathematician born in Basel
- - Noted student of Bernoulli
- - Mathematician with a formula named after him
- - e male?
- - mathematician who wrote the first theorem of graph theory
- - 'elements of algebra' mathematician leonhard
- - Mathematician echoing a sort of ship
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