52770
Only during the 1970 s and 1980 s did television chefs such as James Beard and Jeff Smith shift the focus towards home-grown cooking styles , particularly those of the different ethnic groups within the nation .
 James Beard, Jeff Smith
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:
 James Beard, Jeff Smith