90638
The flow profiles was first derived by John R. Womersley ( 1907 – 1958 ) in his work with blood flow in arteries .
 John R. Womersley
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:
 John R. Womersley