Robert E. Petersen was an American entrepreneur and the founder of the Petersen Automotive Museum in Los Angeles, California. Born in 1926, he was a successful businessman known for his contributions to the automotive industry and car culture. His passion for automobiles led him to collect a vast array of classic and vintage cars. In addition to his work in the automotive field, Petersen was also a publisher. He founded Petersen Publishing Company, which produced popular magazines such as Hot Rod and Motor Trend. His efforts significantly influenced automotive journalism and enthusiast communities, leaving a lasting legacy in the world of cars.