Otto Ludwig Bernhard Kohlrausch (20 March 1811 – 14 November 1854) was a German physician and surgeon born in Barmen.
His son Christian Georg Kohlrausch (1851-1934) rediscovered the discus throw.
He visited hospitals in Copenhagen and London, then in 1835 started a medical practice in Hanover.
[1] In 1841 he established a health spa at Bad Rehburg on behalf of the government.
The eponymous "Kohlrausch's valves" are named after him (also known as the transverse rectal folds).