Hippocrates · Diogenes of Sinope Were Hippocrates and Diogenes of Sinope alive at the same time? Yes. Hippocrates and Diogenes of Sinope were alive at the same time, from c. 400 BC to c. 370 BC. HippocratesGreek physicianBorn c. 460 BC · died c. 370 BCDiogenes of Sinope4th-century BC Greek Cynic philosopherBorn c. 400 BC · died c. 323 BC AeschylusSophoclesHerodotusSocratesHippocratesAristophanesDiogenes of SinopeAristotleAlexander the GreatEpicurus Hippocrates and Diogenes of Sinope in bold, with some of their best-known contemporaries. Drag across to see the age each reached in any year. Faded ends mark uncertain dates.