They say the problem may start at the top of the department.

Seven years later in 1970 he became director of the department.

From 1991 to 1996 he was head of the department.

From 1961 to 1970, he was the head of the department.

He was also a close friend to many members of the department.

Always let a head of department do things his own way if possible.

In 1973, he became the head of the Department until 1988.

He wants me to work with him, for the good of the Department.

You're the head of the department from this moment on.

In all, he was a member of the department for more than 30 years.