on september 15, 1939, the first biophysical congress opened in new york, and the soviet scientist professor alexander leonidovich chizhevsky was elected its honorary president. in the world scientific community, he was called leonardo da vinci of the 20th century. i think that for you young people living in the world of computers, it may seem to you a kind of anachronism that will be useful for you. well, the most gifted of you, perhaps someday will find answers to those questions that after himself alexander chizhevsky. well, so that you understand how fate brought me together. with alexander chizhevsky, i will tell you a little about myself. i am viktor yagodinsky, born in 1928 in the world at the naval academy in leningrad. in the early sixties, i was sent by a sanitary epidemiological mobile detachment to the city of sovetskoye gavan. this is what he did in the far east. i'm there tick-borne encephalitis of the european part of tick-borne encephalitis posed a great threat in the sixty-second year in the journal science and life. i read. does the sun affect infections? it was an article