discoverers and inventors objavitelia a vynálezcovia 9 [vynechat] objavitelia a vynálezci 5 [vynechat] discoveries and inventions 4 [vynechat] objavy a vynálezy 4 [vynechat] fyzici 3 [vynechat] physicists 3 [vynechat] electricians 2 [vynechat] elektrotechnici 2 [vynechat] maliari 2 [vynechat] painters 2 [vynechat] Italian painting 1 [vynechat] animal phylogeny 1 [vynechat] birds 1 [vynechat] celebrities 1 [vynechat] chemici 1 [vynechat] chemists 1 [vynechat] dejiny elektrotechniky 1 [vynechat] electric engineering 1 [vynechat] elektrotechnika 1 [vynechat] evolution (biology) 1 [vynechat] evolučná biológia 1 [vynechat] facts and features 1 [vynechat] flying 1 [vynechat] fylogenéza živočíchov 1 [vynechat] history of electric engineering 1 [vynechat] human-animal relationships 1 [vynechat] hydraulic turbines 1 [vynechat] lietanie 1 [vynechat] man and nature 1 [vynechat]