Jonas Charles Hermann Freund

Born to a Jewish family in Bohemia, Freund received a medical degree at the University of Vienna. In London in 1843 he was a co-founder of London's German Hospital, which opened in October 1845. He was Physician in Charge of the hospital until about 1850. The evidence suggests that he was Karl Marx's doctor.^[4] Freund was Deputy Inspector-General of Army Hospitals in the Crimean war and an army surgeon.^[1]

In London in 1846 he married Prussian-born Louise Amalie Rüdiger, who became a prominent editor and author under the pseudonym "Amelia Lewis". She was an inventor and a campaigner for women's rights.^[4] Their son John Christian Freund became a prominent editor and publisher.