Question: Who is younger, John DeFrancis or Andreas Kalckhoff?
Sentence (from "John DeFrancis"): John DeFrancis( August 31, 1911 January 2, 2009) was an American linguist, sinologist, author of Chinese language textbooks, lexicographer of Chinese dictionaries, and Professor Emeritus of Chinese Studies at the University of Hawaii at Mānoa.
Relevant evidence: Yes