61401
Between the two worlds , at once separating and uniting them , some scholars think there was inserted by lamblichus , as was afterwards by Proclus , a third sphere partaking of the nature of both .
 Proclus
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:
 Proclus