Smithsonian Institution
National Postal Museum: Art of the Stamp: Ottmar Mergenthaler
View the artwork for a U.S. postage stamp issued in 1996 of Ottmar Mergenthaler, who invented the Linotype in 1886. With background information on how his invention revolutionized the publishing industry.
National Inventors Hall of Fame
National Inventors Hall of Fame: Ottmar Mergenthaler
Read about the linotype machine, the most important invention since Guttenberg's printing press, and Ottmar Mergenthaler, its inventor.