Gustav Gerneth (15 October 1905 – 22 October 2019) was a German World War II-veteran and at the time of his death at age 114 years, 7 days the oldest person ever in Germany and the oldest living man in the world as well as the youngest of only 8 men and only 2 European men (behind Spaniard Joan Riudavets) who have become at least 114 years old. He was born in 1905 in Stettin, which was then part of the German Empire and is now in Poland as Szczecin.