Russian chemist who saved hundreds of thousands of human lives
Almost a hundred years ago, in February 1916 for service in the Russian army entered the mask - the invention Nicholas D. Zelinsky, one of the most prominent Russian scientists-chemists. Appearing just in time - in the midst of the First world war, this invention still continues to save lives.
Almost a hundred years ago, in February 1916 for service in the Russian army entered the mask - the invention Nicholas D. Zelinsky, one of the most prominent Russian scientists-chemists. Appearing just in time - in the midst of the First world war, this invention still continues to save lives.
