Mr. Samuel L. Walls, 69, Alabama Highway 205, Boaz, died Tuesday, Nov. 20, 2007, at Gadsden Regional Medical Center.Services are at 2 p.m. Friday at McRae Chapel, with interment in Hillcrest Cemetery. Bro. Walter Thweatt will officiate. Bro. Charles Smith will speak. McRae Funeral Home, Boaz, is in charge of the arrangements.Mr. Walls was born in Etowah County, Ala., on Aug. 18, 1938, to Louie and Mary Lou Putman Walls. Mr. Walls retired from NASA in 1998 as a program manager.He is survived by his wife, Hylan Rowan Walls, Boaz; son, Louie Walls, Boaz; daughters, Tana Eubanks and Gina Springfield, both of Boaz; grandchildren, Teighe Alexander, Zack Alexander, Jadea Smith and Macie Springfield; brothers, Basil Walls and Roger Rowan, both of Boaz; and sisters, Gail Phillips, Clay, Novella Cone, Tennessee, Melissa Robinson, Springville, and Debra Perry, Helena.Mr. Wall was preceded in death by his sister, Jackie Brand.Pallbearers will be Michael Brand, Russell Brand, Ron Arledge, Tracy Cone, Steve Cone, Chris Robinson, Chad Walls, Jonathan Perry, Rusty Rowan, Josh Rowan and Will Rowan.Honorary pallbearers will be Teighe Alexander, Zack Alexander, Jadea Smith and Macie Springfield.