John Donald Becker, Jr. (Jack), age 77, a 34-year resident of Davidsonville, Md., died November 28, 2010, at home. He was born October 20, 1933, in Washington, D.C. He is survived by his wife of 50 years, Nancy Lea Becker, his daughter, Shalene Marie Raffensperger, of Davidsonville, siblings Edwin Becker, Gretchen (Becker) Sirk, William Becker, David Becker, Donna Mae (Becker) Duggin, and grandsons Jack and Jeffrey Raffensperger. Jack graduated from McKinley Tech High School in Washington, D.C., and worked as a printer for National Geographic Magazine early in his career. He was later a professional roller skating instructor and owned and operated a chain of roller skating centers. Jack's passion was the sport of artistic roller-skating. He loved the many skaters he taught, and all the other professionals and people that were involved in roller-skating. He coached the U.S. Team at the World Roller-Skating Championships in Vigo, Spain. Family will receive friends on Wednesday, December 1, 2010, from 7:00 p.m. to 9:00 p.m. at the family-owned Beall Funeral Home, 6512 N.W. Crain Highway (Rt. 3 South), Bowie, MD 20715, where a Funeral Service will be held on Thursday, December 2, 2010 at 11:00a.m. Interment, Fort Lincoln Cemetery, Brentwood, MD. Memorial contributions may be directed to Indian Creek School (Make checks out to: Indian Creek School, attn: In Memory of Jack Becker, 680 Evergreen Road, Crownsville, MD 21032).