Joseph Kaplan

Joseph Kaplan (September 8, 1902 – October 3, 1991) was a Hungarian-born American physicist.

Kaplan was notable for his studies of atmospheric phenomena and for his international activities in geophysics.

The Los Angeles Times said that Kaplan was "a pioneer in the chemistry and physics of the stratosphere".

Notable awards and distinctions the John Adams Fleming Award of the American Geophysical Union (1970) in 1902. In 1910 at the age of eight he immigrated to the United States with his parents and 11 brothers and sisters. He graduated from Johns Hopkins University with a B.S. degree in chemistry and a M.S. and Ph.D. in physics. He spent his entire academic career at the University of California at Los Angeles (1928–1970). Kaplan died of a heart attack on October 3, 1991 in Santa Monica, California at the age of 89.