Calvin and Roxana (Kanzig) Hausman are celebrating their 50th wedding anniversary. They were married on Nov. 22nd, 1967 at the First Presbyterian Church in downtown Lawrence, Ks. Calvin is a semiretired stockgrain farmer.Roxana, a reading teacher, retired from Lawrence Public Schools in 2007. They have a son, John Hausman, Eudora and a daughter, Gina Hauser and husband, Greg, Castle Rock, Co.