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In 2012 , researchers at the University of Nebraska–Lincoln performed the double-slit experiment with electrons as described by Richard Feynman , using new instruments that allowed control of the transmission of the two slits and the monitoring of single-electron detection events .
 University of Nebraska–Lincoln, Richard Feynman
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 University of Nebraska–Lincoln, Richard Feynman