Leonard Clark Webster was born in Launceston on 3 Dec 1869, the seventh child of Alexander Webster, ironmonger, and his second wife Rachel Kilpatrick Tillery Allan. Leonard became a qualified chemist on 13 Oct 1892. He later studied medicine at Edinburgh University; he passed his second year in 1904. Leonard married Marguerite Adelaide Harington on 29 Jun 1907 in Mosman, NSW. Their daughter Barbara was born in Launceston on 24 Jul 1908. There may have been other children born in NSW. Leonard practised as a doctor in a suburb of Sydney. He died at Maitland in 1942 in his 73rd year. His wife Marguerite died aged 60 in Paddington in 1935.