Lipót Fejér was a Hungarian mathematician of Jewish heritage. Fejér was born Leopold Weisz, and changed to the Hungarian name Fejér around 1900.
Fejér c. 1928
Lipót Fejér (standing to the right), with Greek mathematician Constantin Carathéodory (1873–1950; left)
(Left to right); Standing: Frigyes Riesz, Béla Kerékjártó, Alfréd Haar, Gyula Kőnig, Rudolf Ortvay [hu]; On chairs: József Kürschák, George David Birkhoff, O.D. Kellog, Lipót Fejér; Sitting on the floor: Tibor Radó, István Lipka [hu], László Kalmár, Pál Szász [hu]
Fejér's grave in Kerepesi Cemetery, Budapest
Karl Hermann Amandus Schwarz was a German mathematician, known for his work in complex analysis.
Schwarz c. 1890