Johannes Vermeer | Johannes Kepler | Johannes Gutenberg | Johannes Peter Müller | Johannes Ockeghem | Hedwig and the Angry Inch | Johannes Rau | Johannes Müller | Johannes Heesters | Johannes Zukertort | Johannes Meursius | Cornelis Johannes van Houten | Johannes Meyer | Johannes Itten | Johannes Blaskowitz | Hedwig and the Angry Inch (film) | Johannes von Lahnstein | Johannes Mötsch | Johannes Hevelius | Johannes Ciconia | Hedwig Dohm | Hedwig and the Angry Inch (musical) | Johannes von Trapp | Johannes von Müller | Johannes Ullrich | Johannes Trithemius | Johannes Theodor Reinhardt | Johannes Magnus | Johannes Leimena | Johannes Ghiselin |
Also a botanist, he particularly studied the cryptogams of leaving many new handwritten notes concerning the Scientific Classification classifying systems of Dillen, Johannes Hedwig (1730-1799) and Beauvoir.