Mathematician
Part of Scientists
John McCarthy
John Napier
John Pople
John Venn
John von Neumann
John Wallis
John William Strutt
John XXI
José Echegaray
Josef Stefan
Joseph Fourier
Joseph John Thomson
Josiah Willard Gibbs
Julian Seymour Schwinger
Karen Uhlenbeck
Karl Pearson
Karl Popper
Karl Schwarzschild
Karl Weierstraß