1. Emmett W. Chappelle - Biochemist - Photobiologist Astrochemist and Inventor
-Worked for NASA and discovered for detecting bacteria in blood, food, and water.
2. Pencil Sharpener - John L. Love
Fire Extinguisher - Tom J. Marshall
Lock - W. A. Martin
Light Detection Instrument - Emmett W. Chapelle
3. Mark Dean - Invented something that allows the computers to have disk-drives, speakers, and all those other little holes in the computer that allows you to plug things in. I think that is very important for the simple fact that it makes things and computers a whole lot easier for us.
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