Lewis Henry Gann (1924–1997) was a historian, political scientist and archivist in the United States.
Gann was born Ludwig Hermann Ganz in Mainz, Germany into a German Jewish family.
In 1938, Ludwig and his brother escaped from Nazi anti-Semitic persecution and settled in the United Kingdom, joining his father who had been employed by textile company Morton Sundour based in Carlisle.
[2] After graduating, he travelled to Central Africa where he took a research post at the Rhodes-Livingstone Institute in Northern Rhodesia (now Zambia).
[2] He held a number of visiting fellowships at such institutions as the Institute for Advanced Study, Princeton and as a senior research associate, St Antony’s College, Oxford University and was a fellow of the Royal Historical Society in London and was an Officer of the Order of Merit of the Federal Republic of Germany.