He died because he was a very old man i believe in his late 20's.
Johannes Gutenberg's parents were Else Wirich Gutenberg and Friele Gensfleisch.
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.
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 Rau died on January 27, 2006 at the age of 75.
Johannes Fabricius died at the age of 29 on March 19, 1616.
Johannes Schöner died on January 16, 1547 at the age of 70.
Johannes Zick died on March 4, 1762 at the age of 60.
Johannes Secundus died on September 25, 1536 at the age of 24.
Johannes Rydberg died on December 28, 1919 at the age of 65.
Johannes Kepler died on November 15, 1630 at the age of 58.
Johannes Jährig died on June 26, 1795 at the age of 48.
Johannes Magnus died on March 22, 1544 at the age of 56.