Emma Sanchez By mollylewis Jan 1, 1950 Mid-20th Century to Late 20th Century Jun 15, 1950 Freeze drying May 6, 1951 Artificial Flavors Aug 12, 1953 SEB pressure cooker / Microwave ovens widely available Apr 7, 1967 Steam oven Jun 20, 1972 Genetically modified organisms (GMOs) Jul 2, 1983 Transgenic plant May 17, 1987 Ready-to-eat bagged salad Mar 7, 1999 First ready-made meal in self-heating
