In 1966, he moved to Stanford University as a professor of physics.
In 1912, he moved to the St Petersburg University as a professor.
He worked there from 1976 to 1991 before moving to the Department of Structural Biology as a full professor in 1992.
He moved to Chubu University as a professor in 1996.
In 1998 he moved to Yale as a full professor.
In 1971, he moved to the California Institute of Technology as an associate professor.
He moved to Brown in 1967 as a professor of medicine.
In 1924 he moved to the University of Pennsylvania as an associate professor.
In 1967 she moved to Northwestern University as a professor of mathematics.
The next year, she moved to Cornell as an associate professor and became a professor of psychiatry there in 1995.