Gilbert Ames Bliss,, was an American mathematician, known for his work on the calculus of variations.
Gilbert Ames Bliss
Oskar Bolza was a German mathematician, and student of Felix Klein. He was born in Bad Bergzabern, Palatinate, then a district of Bavaria, known for his research in the calculus of variations, particularly influenced by Karl Weierstrass' 1879 lectures on the subject.
Oskar Bolza (1857-1942)