Sir Alan Charles MacLaurin Mackerras (; 1925 2010) was an Australian conductor. He was an authority on the operas of Janáček and Mozart, and the comic operas of Gilbert and Sullivan. He was long associated with the English National Opera (and its predecessor) and Welsh National Opera and was the first Australian chief conductor of the Sydney Symphony Orchestra. He also specialized in Czech music as a whole, producing many recordings for the Czech label Supraphon. Early life and education Mackerras was born in Schenectady, New York, to Australian parents, Alan Mackerras and Catherine MacLaurin. His father was an electrical engineer and a Quaker. Mackerras grew up in a very musical family and his mother was immensely cultured. In 1928, when Charles was aged two, the family returned to Sydney, Australia. They initially lived in the suburb of Rose Bay, and in 1933 they moved to the then semi-rural suburb of Turramurra. Mackerras was the eldest of seven children. His siblings were Alastair (1928–99), Neil (1930–87), Joan (1934–2020), Elisabeth (b. 1937) and twins Malcolm and Colin (b. 1939). They are descendants of the pioneer Australian musician Isaac Nathan. Mackerras is related to the well known Australian-Jewish composer Isaac Nathan and has Jewish ancestry. Mackerras studied violin at the age of seven and later the flute. He was setting poems to music at eight and wrote a piano concerto when he was 12. Mackerras initially attended his father's alma mater, Sydney Grammar School, and also St Aloysius College in Sydney. While at Sydney Grammar, he showed a precocious talent by composing operas and conducting student performances in his early teens, but his non-musical studies suffered. At all-male St Aloysius, he participated in the school's Gilbert and Sullivan productions, playing the roles of Kate in The Pirates of Penzance, Leila in Iolanthe and Ko-Ko in The Mikado. Unconvinced that music was a viable profession, his parents removed the young Mackerras from temptation by sending him to board at The King's School. The school's focus on sport and discipline led the young artist to run away several times, and he was eventually expelled. At age 16, Mackerras studied oboe, piano and composition at the NSW State Conservatorium of Music. He earned additional income from writing orchestral scores from recordings. Early career By 1941, while still at the conservatory, Mackerras began to get professional performing jobs in Sydney, partly because he was too young