The engagement of Elisabeth Maureen Grace Jantzen and Hugh Thomas Dowlen is announced today. The future bride is the daughter of Mr. and Mrs. Daniel Jantzen of Etna, N.H. Parents of the future bridegroom are Dr. and Mrs. Steven H. Dowlen of Signal Mountain. The wedding is planned for Saturday, May 30, at The Village Chapel in Pinehurst, N.C. The bride-elect is the granddaughter of the Rev. and Mrs. Robert Vetter of Pinehurst, Mrs. Chester Jantzen-Kurpiel of Florida, N.Y., and the late Theodore Jantzen. Miss Jantzen is a graduate of Hanover High School in Hanover, N.H. She received a bachelor's degree from Wheaton College. She is a student at Wake Forest School of Medicine and is a member of Hope Presbyterian Church in Winston-Salem, N.C. The future bridegroom is the grandson of the late Mr. and Mrs. John Ayers and the late Mr. and Mrs. Percy Dowlen. Mr. Dowlen is a graduate of McCallie School. He received a bachelor's degree from Davidson College and a medical degree from Wake Forest School of Medicine where he will begin residency in internal medicine. He is also a member of Hope Presbyterian Church in Winston-Salem.