Dr. Ivan Allen Peterson DVM was a well respected person and Veterinarian in the San Marino, Pasadena and Hollywood areas of Los Angeles County, California during the late 1940s-1960's. He is the son of Oscar Allen Peterson and Minnie Peterson born as Minnie Wilhelmina Nelson and later known as "The Packer" (of Forks, Washington). He was married to Mary Jane Weidenbacker Daniel. He is most well known for being the Veterinarian and adviser for several famous Hollywood pet actors, including several of the dogs who played in the Lassie movies (1954).