He regularly consumed small quantities of toxic mushrooms, arsenic, and cyanide salts, and urged others to join him. During daring night-time excursions, Sergei often said, "I shall not die. I have swallowed poison for years, and today, nothing can kill me."
After swallowing the cyanide, he began to feel ill, and asked his classmates to fetch some water. But instead of drinking plain water, he dissolved the rest of the cyanide powder in it, and consumed the solution. Sergei was an intelligent student, interested in chemistry and anatomy. He earned a gold medal, and was accepted into two universities, the Medical Academy and the Ural State University.
But Sergei's scientific premise was flawed. Instead of immortality, he had discovered the elixir of mortality. He went into convulsions, slipped into a coma, and died without regaining consciousness. His father praised Sergei as a gifted chemist who died for the sake of science.
"I am happy I never had him as a lab partner!"