Lewis Leonard Forman (29 June 1929 – 16 June 1998) was a British botanist, born in London.
He was an expert on spermatophytes, particularly Menispermaceae, and specialised in the plants of Southeast Asia.
[1] He graduated from the University of London in 1950 and was appointed to the staff of the Royal Botanic Gardens, Kew in 1951, serving as a senior official there from 1966 to 1989.
[2] Forman was honoured with his eponymous species: