Alfred G. Fischer

Alfred George Fischer (December 12, 1920 – July 2, 2017) was a German-Americangeologist.[1]

. . . Alfred G. Fischer . . .

Fischer comes from a German-American family and was born and partly grew up in Germany. In 1935, at the age of 15, he moved to the US and attended college in Watertown, Wisconsin. He studied geology at the University of Wisconsin, where he was awarded a bachelor’s degree in 1939 and a master’s degree in 1940.

From 1941-1943 he worked at the Virginia Polytechnic Institute. In 1943-44 he was a geologist for Stanolind Oil and Gas in Kansas and from 1944 to 1946 a geologist in Florida. In 1947 he taught at the University of Rochester and from 1948 at the University of Kansas, where he was an assistant professor. In 1950 he gained a doctorate at Columbia University.

For five years from 1951 to 1956 he was a petroleum geologist (Senior Geologist) for Esso in Peru before becoming assistant professor in 1956 and professor in 1963 at Princeton University. In 1984 he was appointed professor at the University of Southern California in Los Angeles, becoming emeritus professor in 1991. He was also a visiting professor in Innsbruck, Tübingen and Berlin.

Fischer studied marine sedimentology and marine fossil fauna and was a leading scientist in the Deep Sea Drilling Project. He described in 1964 the phenomenon of rhythmically recurring sequences of sedimentary rock layers in some Keuper formations of the Alps, first discovered in Dachsteinkalken in the province of Salzburg. In the 1970s, he propagated the existence of global biorhythms in the fossil record and in 1977 the concept of cycles of low and high levels of biodiversity in the marine fauna over 32 million years. In 1982 he spoke in favour of the Earth’s climate alternating between ice ages and warm periods due to the (Icehouse-Greenhouse concept).

He is a member of the American Association for the Advancement of Science. He holds honorary doctorates from the University of Tübingen.

. . . Alfred G. Fischer . . .

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. . . Alfred G. Fischer . . .