4993
In 1992 and 1993 he gave lectures at Gresham College analysing in detail the claim by Richard Dawkins that belief in God was a kind of mental virus .
 organization: Gresham College; person: Richard Dawkins
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 organization: Gresham College; person: Richard Dawkins