Sheryl and Martin Rattner of Los Altos, Calif., announce the Bar Mitzvah of their son, Evan Rattner, on Saturday, Aug. 13, at Congregation Beth David in Saratoga, Calif. Evan is the grandson of Carol and Leon Kusnetzky of Leawood and Harold and Sylvia Rattner of Los Angeles. His great-grandparents were the late Joseph and Marsha Carr of Kansas City, Mo. Several of Evan’s special education classmates attended and special education teachers from his past were in attendance, as well as out-of-town relatives from Denver and Orlando, Fla.