As of today, Meyer Lansky has passed away, but his notoriety as a mob accountant and financier lives on in infamy. Estimates of his net worth at the peak of his career suggest it was in the range of $300 million to $400 million USD, making him one of the wealthiest figures in organized crime history. Despite his criminal activities, Lansky’s financial prowess and influence have left a lasting impact on the underworld and continue to be a subject of fascination for many.