BARBARA ANN KUNZAnnouncement is being made of the engagement of Barbara Ann Kunz to Eric Leon Henry. Parents of the couple are Mr. and Mrs. George C. Kunz, Edina, Minn., and Mr. and Mrs. Leon E. Henry, 275 Sheboygan St. Miss Kunz is a graduate of Edina High School, attended Ripon College.and is now attending the University of Minnesota. She is affiliated with Alpha Chi Omega. Her fiance is a graduate of Goodrich High School and Ripon College. He is presently serving in the U.S. Air Force working with the Armed Forces Radio and Television Service and is stationed at Arlington, Va. The couple plans a June 27, 1970 wedding.