Howard Dietz was an American businessman and advertising executive, best known for his role in the entertainment industry. He co-founded the Columbia Pictures studio and played a significant part in shaping its early success. Dietz was also known for his creative marketing strategies, which helped popularize films during the early 20th century. In addition to his work in film, Dietz was a talented songwriter. He is credited with creating the famous Columbia Pictures theme song, "Columbia, the Gem of the Ocean." His contributions to both advertising and music left a lasting impact on the entertainment landscape.