I thought the idea of young people giving blood to rejuvenate old billionaires was modern.
> Alexander Bogdanov (22 August 1873 – 7 April 1928)...After undergoing 11 blood transfusions, he remarked with satisfaction the improvement of his eyesight, suspension of balding, and other positive symptoms. His fellow revolutionary Leonid Krasin wrote to his wife that "Bogdanov seems to have become 7, no, 10 years younger after the operation"... But a later transfusion cost him his life, when he took the blood of a student suffering from malaria and tuberculosis