William Marias Malisoff, also William Marias Malisov (14 March 1895 – 16 November 1947), was born in Ekaterinoslav, Russia, now Dnipro Ukraine, immigrated to the United States as a child, and became a naturalized United States citizen.
Malisoff obtained a BS in 1916, an MA in 1917 and CE in 1918 degrees from Columbia University and a PhD.
from New York University in 1925.
Malisoff was an associate professor of biochemistry and lecturer in philosophy at University of Pennsylvania from 1922 to 1934.
From 1934 to 1942 he was associate professor of biochemistry at Brooklyn Polytechnic Institute.
In 1938-1939 Malisoff was delegated NEC member of University Federation for Democracy and Intellectual Freedom.
He owned and operated United Laboratories, Inc, a company principally engaged in research on lubricating processes for chemical products, war industries and biochemistry.
From 1936 to 1942 Malisoff was a regular contributor on science and technology to the New York Times Book Review.
Malisoff alongside with Niels Bohr, Bertrand Russell, Ernest Nagel et al sat on the Advisory Committee of the International Encyclopedia of Unified Science.
From 1934 to 1944 he was on the editorial board of Philosophy of Science journal.
In 1945 Malisoff was connected with the Institute for the Unity of Science for a short time.
Chemical researcher Kapok-Milkweed project, United States Navy, 1944; Essex College of Medicine, Newark, New Jersey, 1945-1946; Director of research Longevity Research Foundation, New York, since 1946.