After a wide ranging career, Kahan took early retirement to pursue his lifelong interest in the printing trade. He found many conflicting reports about the German immigrant to the US Mergenthaler (1845-99) and his invention of an automatic typesetting machine that later became the Linotype, and deci

Ottmar Mergenthaler: The Man and His Machine 1999, Oak Knoll Press

ISBN-13: 9781584560074