“…In addition to being a Nobel laureate in medicine and physiology (1908) for the discovery of humoral immunity, he was a bacteriologist, microbiologist and scientist who dealt with syphilidology [1,2,4]. It was he, together with the chemist Alfred Bertheim, who, on the basis of arsenic compounds, in 1910, developed and created an effective means for the treatment of syphilis, the legendary drug "606", called "Salvarsan", which helped to cure tens, if not hundreds of thousands of syphilis patients around the world [1,2,4]. He and his assistant, Japanese microbiologist Sahachiro Hata, conducted preclinical testing of the drug.…”