Meyer Lansky was a prominent figure in organized crime during the 20th century, known for his role in the development of the American casino industry. Born in 1902 in Grodno, which is now part of Belarus, he immigrated to the United States as a child. Lansky became a key associate of Lucky Luciano and was instrumental in establishing the National Crime Syndicate. Lansky was often referred to as the "Mob's Accountant" due to his expertise in financial matters. He played a significant role in the operations of various gambling establishments, particularly in Las Vegas and Cuba. His influence extended beyond the criminal underworld, as he was involved in legitimate business ventures as well.