Russian superstitions

[tacente]

"If you forget something and have to go back home, you must always look in the mirror before leaving again or you'll have bad luck. The famous Russian poet omitted to do this and was later shot."

Кто именно? Пушкин? Лермонтов? Гумилев? Мандельштам? (Есенин?! Маяковский? -- кстати, считается ли Маяковский?)