5. David Saul Marshall David Saul Marshall (born March 12 , 1908 , Singapore â died December 12 , 1995 , Singapore ) was the leader of the Singapore Labour Front who became the first Chief Minister of Singapore in 1955 . He would later become the most successful criminal lawyer in Singapore, with a reputation that "Marshall never loses". Known for his sharp eloquence and imposing stances, he claimed that he had 99 acquittals out of 100 cases he defended for murder.