Mr. Lau, 66, of Jackson, formerly of Howell, died March 13, 2013, at New York Presbyterian Hospital, New York City. Mr. Lau was employed as a sales engineer for Metro Air Products, Hillsborough, and was a member of the American Society of Heating and Air Conditioning Engineers. He was a veteran of the U.S. Army National Guard. Surviving are his wife, Camille Landante Lau; a son, William G. Lau III and his wife, Michelle, of Jackson; two daughters, Barbara Provini and her husband, John, and Jill Lau, all of Jackson; a brother, John P. Lau and his wife, Carole, of Leesburg, Va.; a sister, Joan Kapps and her husband, Richard, of Manalapan; six grandchildren; his mother-in-law, Marie Landante of Jersey City; and a brother-in-law, Dominick Landante of Bayonne. A funeral service was held at St. Mary of the Lake Catholic Church, Lakewood, followed by interment in St. Mary’s Cemetery. Memorial donations may be made to St. Jude Children’s Research Hospital, 501 St. Jude Place, Memphis, TN 38105-1942.