P.N. Lebedev OUR FIRST TEACHERS: PAGES OF BIOGRAPHIES BY P. N. LEBEDEV AND N. N. SEMENOV About persons who may induce and maintain an interest in science: Teachers by P.N. Lebedev and N.N. Semenov. DOI:10.18500/0869-6632-2016-24-1-75-83 Read more about OUR FIRST TEACHERS: PAGES OF BIOGRAPHIES BY P. N. LEBEDEV AND N. N. SEMENOV