Keywords: Emanuel Rádl.jpg en Emanuel Rádl 1873-1942 Czech biologist and philosopher cs Emanuel Rádl 1873-1942 Český biolog a filozof http //www phil muni cz/fil/scf/komplet/radl html author before 1942 Anonymous-EU PD-old 1873 births 1942 deaths Biologists from the Czech Republic Philosophers from the Czech Republic |