Glasha,
Judging by the signature on the work of number 7 - is Alexander Shevchenko
[color="# 666686"]Added after 1 minute[/color]
11. - Alexander Bogomazov
[color="# 666686"]Posted 15 minutes[/color]
17. - Ilya Mashkov
[color="# 666686"]Added in 23 minutes[/color]
15. - Victor Borisov-Musatov
[color="# 666686"]Posted by 31 minutes[/color]
14. - Max Pechstein
[color="# 666686"]Posted 33 minutes[/color]
20. - Robert Falk
[color="# 666686"]Added in 57 minutes[/color]
19. - Pyotr Konchalovsky