Meyer Elkin, 78, founder of the Los Angeles County Conciliation Court. The unusual mediation unit, which he set up in 1955 as a part of Los Angeles County Superior Court, handles divorce and custody disputes and provides court-ordered counseling for the families involved. Elkin also founded and edited the professional journal Conciliation Courts Review and helped to found the Assn. of Family Conciliation Courts. After growing up in Brooklyn, N.Y., he began his career as a parole officer in Tuscon. A social worker deeply involved in community social problems, Elkin worked throughout his life to aid families and young people. After his retirement in 1977, he devoted his attention to what is now El Nido Family Centers in Los Angeles. He served on the board, as president and as an adviser to the nonprofit family counseling agency. Elkin earned the Koshland Award, California's top accolade for achievement in social work, and the Leadership Award of the American Assn. of Marriage and Family Counselors. On March 17 in Beverly Hills of emphysema.