Yale Elevates Prof. HenelNEW HAVEN, Conn. (AP);— Yale university announced today that Heinrich E. K. Henel, a German literature scholar who has been on the faculty since 1957, has been appointed sterling professor of German.A native of Saigon, Indo China, where his father was Austro-Hungarian counsul foi many years. Henel was edu eated in Germany.He came to Yale as a ful professor after being a pro lessor of German at the Uni versify of Wisconsin.His fields are 17th century German literature, the history of German poetry and the works of Goethe.In 1962, Henel received the Gold medal from the Federal Republic of Germany for fur* thering understanding between the United States and Ger* many,