Otto Hermann Kahn Otto Hermann Kahn Otto Hermann Kahn (February 21, 1867 – March 29, 1934) was a German-born American investment banker, collector, philanthropist, and patron of the arts. Otto was born on February 21, 1867 in Mannheim, Germany, and raised there, by his Jewish parents, Emma (née Eberstadt) and Bernard Kahn. His father had been among the refugees to the United States after the revolution of 1848 and had become an American citizen, but later returned to Germany. Kahn was educated in a gymnasium in Mannheim. Kahn's ambition was to be a musician, and he learned to play several instruments before he
Ida Kahn degree in English literature from Northwestern University. She also pursued postgraduate work in London. Aside from her and Mary Stone, Gertrude Howe also adopted three boys. Kahn never married, though some of her adoptive family did. Kahn returned to China following her graduation from University of Michigan, Ann Arbor School of Medicine in 1896 and opened a dispensary along with Mary Stone in Jiujiang. After curing the wife of a notable Nanchang official, wealthy women—dubbed "Tai Tai"—started traveling from Nanchang to Jiujiang just to receive medical consultation from Kahn. These women were instrumental in increasing the revenue and notoriety of