Complex sentence: William T. Innes, L.H.D. (1874-1969) William Thornton Innes, aquarist, author, photographer, printer and publisher, was the author of numerous influential books and articles about tropical fish during the formative years of the aquarium hobby in America.
Split into simpler sentences: William T. Innes, L.H.D. (1874-1969) was an aquarist, author, photographer, printer and publisher. Innes was the author of numerous influential books and articles about tropical fish during the formative years of the aquarium hobby in America.