3092
The term was coined in the early 1900 s by Paul Ehrlich as meaning any use of chemicals to treat any disease ( " chemo - " + " - therapy " ) , such as the use of antibiotics ( " antibacterial chemotherapy " ) .
 person: Paul Ehrlich
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: Paul Ehrlich