microbiologists mikrobiológovia 2 [vynechat] chemici 1 [vynechat] chemists 1 [vynechat] dejiny biológie 1 [vynechat] discoverers and inventors 1 [vynechat] history of biology 1 [vynechat] microbiology 1 [vynechat] mikrobiológia 1 [vynechat] naturalists 1 [vynechat] objavitelia a vynálezci 1 [vynechat] prírodovedci 1 [vynechat]