Nikolay Popov

Dyatlov gathers a group for the Subpolar Ural from as early as Oct 15, 1958. On Dec 12, 1958 he invites Nikolay Thibeaux-Brignolle, Yuri Doroshenko and Nikolay Popov, if the latter is allowed form his place of work, the Tatarstan Research Institute of Petroleum Machine Building (TatNIIneftemash). Nikolay Popov is always pictured with a mandolin in his hands.