Sketches on history of studying radioactivity and formation of uranium geology in the Central Siberia. Sketch one. Beginnings

The history of studying radioactivity and the radioactive elements has already numbered more than one hundred years. In the beginning of XX century interest to uranium was defined, first of all, by cost of its radioactive product - radium, which, at the earliest stage, was applied in medicine and for research purposes. Short description of studying radioactivity and beginning uranium geology in the Central Siberia is given. Unknown pages of this history are show