While working in Russia, he proposed the "Petersburg Game," now recognized 
While working in Russia, he proposed the "Petersburg Game," now recognized as one of the earliest problems in game theory. His discoveries relating probability to calculus led to prizes from the French Academy, most notably for his major work, _Hydrodynamica_. FTP, name this member of a famous mathematical family, whose principle related pressure to the velocity and energy of a moving fluid.
While working in Russia, he proposed the "Petersburg Game," now recognized as one of the earliest problems in game theory.
{Daniel Bernoulli}