Emmy-nominated actress Katherine Helmond, best known for her role on “Who’s the Boss?,” died on Feb. 23 at her Los Angeles home due to complications from Alzheimer’s disease. She was 89. The star, whose career spanned more than five decades, played matriarch Jessica Tate on Billy Crystal’s primetime soap sitcom, aptly titled “Soap,” which ran from 1977 to 1981. She nabbed four actress Emmy nominations for the role. Helmond played another famous mom, Mona Robinson, in another ABC hit series, “Who’s the Boss?” (1984–1992). The role landed her two supporting actress Emmy noms. I loved soap in the early 80s.