 Third in line after Heine and Medin, followed by Landsteiner and eleven more polio experts and two laymen (one of them US-president Franklin D. Roosevelt), his bronze bust was revealed.Wickman's classification of the different forms of polio is referred to by the European section of the World Health Organization (WHO) as a “milestone” in polio eradication.On the other hand, as late as 1971 polio expert and author John Rodman Paul still commented on Wickman's impact