Doctor rerum naturalium, Humboldt University, Berlin, 1967. Doctor of Natural Sciences, Humboldt University, Berlin, 1970.
Engineer Joint Institute Nuclear Research, Dubna, Russia, 1958-1961, laboratory director LCTA, 1990-2000, advisory director, since 2000. Science assistant IfH der AdW, Zeuthen, Germany, 1961-1967, division leader, 1967-1984. Deputy secretary department mathematics and information AdW der DDR, Berlin, 1984-1990.
Member ANS (foreign), New York Academy Science, European Academy of Sciences.
Married Antje Roosenstein, May 29, 1963 (deceased August 1998). Children: Jascha, Michael.