H. Addington (Henry Addington) Bruce

Born in Toronto in 1874, H. Addington Bruce — Henry Addington Bayley Bruce — became a Canadian-born American journalist, lecturer, and author. He was educated in Canada and built a career in journalism before turning to books that made psychology and related subjects accessible to a wide audience.

Bruce is best remembered for writing popular works on psychology, personality, education, and mental habits at a time when those fields were reaching more everyday readers. His style was practical and readable, aiming to explain complex ideas without academic jargon.

He died in 1959, but his work still reflects an interesting moment in early 20th-century nonfiction, when writers like Bruce helped introduce modern psychological thinking to the public.