Yoel Margalith (Hebrew: יואל מרגלית; February 1933 – 2011) was an Israeli researcher.
[3] Yoel Margalith was born in February 1933 in Čantavir, Yugoslavia.
[4] Yoel survived the Bergen-Belsen concentration camp during the holocaust.
[4] Margalith attended the Hebrew University of Jerusalem.
[3] Margalith discovered Bacillus thuringiensis israelensis and was given the name, Mr. Mosquito, due to this discovery.