A Liberal, she retired in 1973 on her 75th birthday.

He retired on his 65th birthday giving him a term of 18 months.

He retired in 1978 on his 68th birthday, but continued to write and lecture.

He retired on his 75th birthday on February 17, 1988.

She retired less than six months later on her 75th birthday.

He retired from The Times in 1989, without ceremony, on his 80th birthday.

"I had decided to retire on my 60th birthday and run a book store," he said.

A Liberal, he retired on his 75th birthday in 1987.

He served as president until retiring on his 65th birthday in 1978.

He retired on his 65th birthday, 16 July 2008.