Of Mt. Washington, on Sunday, October 12, 2014, at Mercy Hospital of respiratory failure. Malcolm is survived by his wife, Delphine Tarullo Clemens; and his three children, Thomas W. Clemens (Laura), Lynne Penco (Michael), Carol Brown (Edward); eight grandchildren, Michael and Eric Clemens, Kevin and Jeffrey Clemens, Matthew, Christopher and Jessica Penco, and Emily Brown; and niece, Lisa Balmer Keller; also survived by ex- daughter-in-law, Michele Muracca Clemens; and sister-in-law, Carol Daiss. Predeceasing Malcolm were his first wife, Dorothy Daiss Clemens; his sister, MaryAnn Clemens Balmer; and his parents, Robert and Elizabeth Malcolm Clemens. Malcolm graduated from the University of Pittsburgh with a BS degree and a master's degree in Hygiene from their School of Public Health. He was a member of Phi Beta Kappa and the Society of the Sigma Xi. Additionally, Malcolm was a member of the American Chemical Society and a member of the Engineers Society of Western PA. He was a past employee of Hagan, Calgon, Merck and Calgon Carbon Corporation. Family and friends welcome Tuesday 6-8 p.m. and Wednesday 2-8 p.m. WILLIAM SLATER II FUNERAL SERVICE, (412-563-2800), 1650 Greentree Road, Scott Township. Funeral Service Thursday, Emmanuel Episcopal Church, 957 W. North Avenue, Pittsburgh, PA 15233. In lieu of flowers, memorial contributions may be made to the charity of your choice .