He first broke the Australian record in the 100 metre backstroke in 1998.
In 1912 he was the Olympic champion in 100 metre backstroke.
At that event, he won the 100 metre backstroke in 54.99 seconds a new Under 17's Australian record.
Four years later he again finished fifth in the 100 metre backstroke event at the 1932 Games.
Martin won the 13 years 100 metre backstroke by one hundredth of a second.
He won the 100 metre backstroke with a time of 1:06.4.
She won the 1960 Olympic bronze medal in the 100 metre backstroke with a time of 1:11.4.
She also took part in swimming, in the Women's 50 metre backstroke complete class 5.
At the 1908 Olympics he won a bronze medal in 100 metre backstroke.
Four years later at Stockholm he reached the semifinals in 100 metre backstroke.