Hadamard,
Jacques Hadley,
John H. Hall,
Philip Hamilton,
William Rowan Hankel,
Hermann Hardy,
Godfrey Harold Hargreaves,
James Hausdorff,
Felix Heine,
Heinrich Eduard Herapath,
John Herbrand,
Jacques Hermite,
Charles Hilbert,
David Hipparchus Hogben,
Lancelot Thomas