There are many photos of Eisenstein. I think he was quite vain, and he liked photos of him. Being a virgin at 33 is strange now, but let's not be too high-minded about that.
"'You have naked bodies and genitalia, don't you? Why are you so adolescent?': Director Peter Greenaway on 'Puritan' Americans and the intense sex scenes in 'Eisenstein in Guanajuato'". Interview with Gary M. Kramer, www.salon.com. February 4, 2016.