As a contribution to Mrs. Lyndon Johnson's beautification campaign, Jules Stein, MCA Board Chairman, improves a Los Angeles thoroughfare and formally presents it to the city's mayor, Sam Yorty. Jules Stein shaking hands with Los Angeles mayor, Sam Yorty. Street Signs - Ventura and Lakershim Blvd. Traffic, Street signs Ventura and Lakershim Blvd. Mrs. Nelly Knutson, president of Los Angeles Beautiful standing with Jules Stein and Mayor Sam Yorty.