He has been head of the institute since the early 1980's.

From 1968 to 1975, he was director of the institute.

She became director and then in 1990 president of the institute.

He was director of the same institute from 1993 until 2003.

He was also director of the institute between 1984 and 1990.

He was president of the institute from 1956 to 1960.

He was the director of the institute for 10 years.

He was director of the institute from 1953 to 1973.

The history of the Institute goes back to the year 1949.

She became a staff member of the Institute in 1932.