In Memoriam – Alexander I. Leontiev. (March 2023) - Alekseenko, Sergey; Lloyd, John; Alifanov, Oleg; Markovich, Dmitry; Cheng, Ping; Medvetskaya, Natalia; Dombrovsky, Leonid; Rose, John; Egorov, Ivan; Simon, Terrence; Goldstein, Richard; Smirnov, Evgueni; et al.