He died because he was a very old man i believe in his late 20's.
Information about Johannes Gutenberg's education is sparse. It is known that he learned goldsmithing, probably from his father. He also apparently knew the art of polishing gems and metal mirrors.
Johannes Gutenberg's parents were Else Wirich Gutenberg and Friele Gensfleisch.
The first book published by Johannes Gutenberg's printing press is commonly believed to be the Gutenberg Bible, also known as the 42-line Bible. It was printed around 1455 in Mainz, Germany.
Johannes Fabricius died at the age of 29 on March 19, 1616.
Johannes Zick died on March 4, 1762 at the age of 60.
Johannes Rau died on January 27, 2006 at the age of 75.
Herman Johannes died on October 17, 1992 at the age of 80.
Johannes Bugenhagen died on April 20, 1558 at the age of 72.
Johannes Jährig died on June 26, 1795 at the age of 48.
Johannes Magnus died on March 22, 1544 at the age of 56.
Johannes Schefferus died on March 26, 1679 at the age of 58.
Johannes Bobrowski died on September 2, 1965 at the age of 48.