The theory of partial differential equations of mathematical physics has been one of the most important fields of study in applied mathematics.
Gerhard Freiling
Steven S. Coughlin
John Bunyan
Patricia L Munhall
Gauri Deshpande
Vince Averello
V. V. Rozanov
William Nowell
P. Gary Eller
Anthony Mancuso
Houston, John Sir
Lemuel A Moyé
Hugo Arnot
Northamptonshire Baptist Association.
Leland, John
Steven R. Ward
Sergeĭ Nikolaevich Sergeev-T︠S︡enskiĭ