Ganesh Sittampalam

Ganesh Sittampalam was the youngest person to pass an A-level in 1988 when he was nine years and four months old. However this feat has since been surpassed by a number of other children.

(The A -level is a British examination typically taken at age 18.)

He graduated in July 1992 when he was aged 13.

He is the son of Dr. Arjuna Sittampalam and grandson of Mr. Cathiravelu Sittampalam who was the first Cabinet Minister of Posts and Telecommunications in independent Ceylon (now Sri Lanka).

...
Wikipedia