From left to right, physicists Albert Einstein, Hideki Yukawa, John Wheeler, and Homi Bhabha in conversation as they walk through Marquand Park in Princeton, New Jersey, 1954.

Physicists associated with the School of Mathematics as Members in 1948-1949 assemble in front of Fuld Hall: Cheng Shu Wang Chang, Sheila Power (later Tinney), Sumi Yukawa (wife of Hideki Yukawa), Cécile Morette (later DeWitt-Morette), and Hideki Yukawa, undated.

Hideki Yukawa and his wife, Sumi Yukawa, 1948-49.

Abraham Pais, Sumi Yukawa, and Hideki Yukawa, 1948-49.