title: “Became Superfluous in Crimea”: Ups and Downs of Fate of Professor P. A. Dvoichenko (Correspondence with V. I. Vernadsky)
abstract: The question of the scientific life of the Crimean University (Pedagogical Institute) named after M. V. Frunze in the 20s — early 30s of the XX century through the correspondence of Professor P. A. Dvoychenko and Academician V. I. Vernadsky. It is shown that after leaving Simferopol in February 1921, Academician V. I. Vernadsky, who was involved in the birth of natural science research at the Tauride University, was keenly interested not only in the progress of these studies, but also in the fat
journal: Nauchnyi Dialog