High Quality Content by WIKIPEDIA articles! Sir John Lavington Bonython (1875–1960) was a prominent public figure in Adelaide, known for his work in journalism, business and politics. In association with his father, he became involved in the management of newspapers including The Advertiser; he also served as editor of The Saturday Express and as a journalist. After The Advertiser was sold in 1929 and converted to a public company, he became a director, and for a time vice-chairman; an association that continued until his death. In 1901 he began a long association with the Adelaide City Council, serving as Mayor of Adelaide (1911–1913) and later as Lord Mayor of Adelaide (1927–1930). He was knighted in 1935.