Mahathir Mohamad was born in Alor Setar, Kedah

At 92, Mahathir Mohamad was sworn into office as prime minister of Malaysia. He became the oldest world leader

He was also prime minister of Malaysia from July 1981 to October 2003

He wrote a book called - The Malay Dilemma

Mahathir Mohamad underwent two heart bypass surgeries in 1989 and 2007

Mahathir's father Mohamad Iskandar, an Indian Muslim and worked as a teacher in Northern Malaysia

He is a physican