"Rene Verdon, right, formerly chef to the late President John F. Kennedy, shows Norman Mitchell, left, president-elect of the American School Food Service Organization, and Mable Dalrymple, coordinator, proper use of the "French knife" in the culinary field. Mitchel and Verdon were expert lectures before a group of more than 400 school food service workers attending the 11th annual County Food Service Workshop." [Envelope contains similar images.]