Fritz Kahn Fritz Kahn Fritz Kahn (29 September 1888 – 14 January 1968) was a German Jewish physician who published popular science books and is known for his illustrations, which pioneered infographics. Fritz Kahn was born in Halle an der Saale, Germany, the son of Arthur Kahn, a physician and author, and Hedwig Kahn, "née" Schmuhl. His father emigrated to the USA shortly after his birth, settling in Hoboken, New Jersey. Around 1893, after establishing his practise, he sent for his wife and son, and Fritz Kahn started school there. The family later moved to Manhattan, but in 1895 his mother returned
Oliver Hill Dunbar High School, which at the time may have offered the best education available to black children in the country. At first Oliver was behind a semester academically, and also lacked scholarly seriousness. He also played various sports-especially tennis in Roanoke, but baseball, football and basketball at Dunbar (which did not have a tennis team). Joseph Hill's brother Samuel worked for the post office in Washington, D.C., and in his off-hours worked as a lawyer handling mostly wills and real estate transactions. Samuel Hill died of a cerebral hemorrhage when Oliver was a college sophomore, and his widow gave Oliver