Australian Allan Stewart, from Tea Gardens on the New South Wales (NSW) North Coast, graduated with a Master of Clinical Science (Complementary Medicine) from Southern Cross University in Lismore, New South Wales.

Stewart beats his own Guinness World Record created by him when he completed a law degree from the  University of New England at the age of 91 in 2006.

This is Stewart's fourth degree and the 97 year old veteran considers it to be his last.

"I can hang up my mortar board and academic robes after this one, although I said that after my last degree and then I got bored," he said in a statement.

Stewart gained his first degree in 1936 by obtaining a Bachelors in Dentistry from Northwestern University in Chicago. He later practiced as a dentist in London and Sydney.

Stewart added that there is no age limit towards studying and further commented that one should never excuse by stating that he/she is too old to study.