He occasionally attended meetings of the NY Society of Classical Guitar, which was led by his pre-revolutionary friend from Kharkiv - Vladimir Bobri.
Leonid Brezhnev | Leonid Kuchma | Leonid Kravchuk | Leonid Gaidai | Leonid Serebrennikov | Leonid Kuravlyov | Leonid Krasin | Leonid Dushkin | Leonid Andreyev | Leonid Sobinov | Leonid Popov | Leonid Plyushch | Leonid Pasternak | Leonid Korchmar | Leonid Yatsenko | Leonid Yakubovich | Leonid Vysheslavsky | Leonid Volodarskiy | Leonid Vaseršteĭn | Leonid Utyosov | Leonid Tălmaci | Leonid Sokov | Leonid Skirko | Leonid Reiman | Leonid Pastur | Leonid Parfyonov | Leonid Minin | Leonid Mikhailovich Shkadov | Leonid Markelov | Leonid Mandelstam |
Only a handful of students completed these courses such as Leonid Haydamaka, O. Herashchenko, O. Hayevsky, I. Oleshko, and Hryhory Bazhul.