Rev. John Gilbert Gaskill (1905-1996) was a U.S. Army chaplain who arrived in Dachau Concentration Camp in Germany on May 2, 1945, three days after it was captured by American soldiers.Rev. John Gilbert Gaskill (1905-1996) was a U.S. Army chaplain who arrived in Dachau Concentration Camp in Germany on May 2, 1945, three days after it was captured by American soldiers.