Luis Marden (born Annibale Luigi Paragallo) (January 25, 1913 – March 3, 2003) was an American photographer, explorer, writer, filmmaker, diver, navigator, and linguist who worked for National Geographic Magazine . He worked as a photographer and reporter before serving as chief of the National Geographic foreign editorial staff. He was a pioneer in the use of color photography, both on land and underwater, and also made many discoveries in the world of science.