Andreas Kalckhoff
Andreas Kalckhoff( born 18 August 1944 in Saaz, Bohemia) is a German historian and writer.
Jack Combs
Jack or John Combs may refer to:
Vadim Vlasov
Vadim Nikolayevich Vlasov( born 19 December 1980) is a former Russian football player.
He is a younger brother of Dmitri Vlasov.
Miloš Zličić
Miloš Zličić( born 29 December 1999) is a Serbian football forward.
He is a younger brother of Lazar Zličić.
John Balliol (disambiguation)
John Balliol( also known as John of Scotland or John I of Scotland was King of Scots from 1292 to 1296.
John Balliol or John of Balliol or John de Balliol may also refer to:
John Sheffield
Jon or John Sheffield may refer to:
John M'Gilligen
John M'Gilligen was a 17th century Presbyterian minister.
He resisted the demands of the Episcopalian authorities and was imprisoned on the Bass Rock.
His name is sometimes also spelled as John MacKilligen or John M'Killican or John MacKillican or even John M' Gilligine.
Jonathan Crane
Jonathan or John Crane may refer to:
Jack Marin (disambiguation)
Jack or John Marin may refer to:
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.

Question: Who is younger, John DeFrancis or Andreas Kalckhoff?
Answer: Andreas Kalckhoff