- U.S. politician: mayor of New York City 1977–89.
- German bacteriologist and physician: Nobel Prize 1905.
- Robert (ˈroːbɛrt). 1843–1910, German bacteriologist, who isolated the anthrax bacillus (1876), the tubercle bacillus (1882), and the cholera bacillus (1883): Nobel prize for physiology or medicine 1905
