6959
This was first independently suggested , on textual and other grounds , by the 19th - century historians Hermann Kopp and Marcellin Berthelot .
 person: Hermann Kopp; person: Marcellin Berthelot
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:
 person: Hermann Kopp; person: Marcellin Berthelot