Theodor Magnus Fries
Theodor Magnus Fries, the son of Elias Magnus Fries, was a Swedish botanist and lichenologist.
Following in his father's footsteps, Fries studied botany, obtaining his doctoral degree in 1857 at Uppsala. He became a member of the Royal Swedish Academy of Sciences in 1865 and professor of botany and applied economics at Uppsala in 1877. His most notable work was Lichenographia scandinavica. He also produced a two-volume biography of Carl Linnaeus.
His sons Thore Christian Elias Fries and Robert Elias Fries also became botanists.
