A compact biography reconstructs the life and last years of the pioneering movable-type printer in Mainz, focusing on his working relationships, creative achievements, and misfortunes. It recounts the partnership and marriage linking a master printer, his skilled assistant, and the assistant’s bride; the completion and public display of a celebrated Bible; ensuing legal disputes and civic disturbances that disrupted the press; a search carried out by local authorities; and the printer’s decline and death, with his remains laid in an unknown tomb. Vivid descriptions of workshop practice, public ceremony, and municipal life illuminate the social context of early printing.