Nowadays Gregor Johann Mendel is among the most renowned Czech scientists. Although his ideas about cross-pollination of plants were ahead of their time, Mendel did not suffer from his lack of success. He was a valued abbot, popular teacher, successful breeder, beekeeper and meteorologist. and Hana Laudátová, Ondřej Dostál.
The article presents two likely and so far unknown compilers of the third edition of Koniáš’s Key from 1770. Their names have been revealed by a handwritten note in a copy that was originally a part of the library of the private collector Josef Bartsch (1731-1803). Concerning the first figure, the Jesuit Josef Kögler, the treatise describes his career in the Jesuit Order and the posts that he held. In the case of his co-worker Jan Kohout, the text outlines the possible connections that might help identify him precisely. and David Mach.