What are facts about Clarence crane?

Clarence Crane was an American inventor and candy manufacturer, best known for creating the first-ever chocolate bar with a filling, which he introduced in 1910. He is also recognized for founding the Crane Candy Company in 1902, which produced the popular "Chocolate Mint Creams." Additionally, Crane was the father of the famous author and playwright, Hart Crane. His contributions to the candy industry helped pave the way for future innovations in confectionery.