Name William Johnson Role Biologist | Died 1880 | |
Rev. William Arthur Johnson (1816–1880) was an amateur biologist, naturalist, microscopist, botanist, and ordained clergyman who lived in Canada.

Born in Bombay, India, he was a descendant of the Duke of Wellington, he was called Arthur.
Johnson moved in Upper Canada in 1835, first settling in Port Maitland, Ontario, then to Toronto by 1848.
Johnson went to Diocesan Theological Institute in Cobourg, Ontario and became a clergyman.
In 1865, he founded the Canadian Trinity College School in Weston, Ontario, where William Osler became a student. Johnson became the major early influence for Osler at this time, along with his friend James Bovell.
A keen collector of both animal and vegetal specimens, Johnson was schoolmaster and rector of St. Philip's Church, Weston.
Johnson died in Toronto in 1880.