Gerald Guralnik, 77, an American physicist who was among the handful of scientists regarded as originators of the ideas that were ultimately and triumphantly confirmed by the discovery of the celebrated Higgs boson, or "the God particle," died of a heart attack April 26 in Providence, R.I. In 2012, scientists announced the discovery of the long-sought particle believed necessary to explain their best theory of the ultimate workings of the universe: why it contains life and diversity.
George H. Heilmeier, 77, an electrical engineer who in the 1960s helped invent a kind of screen display that used liquid crystals to project images — technology that is now ubiquitous in phones, digital watches, computer monitors and flat-screen televisions — died April 21 in Plano, Texas.
Billy Frank Jr., 83, a tribal fisherman who led the fight that restored fishing rights and helped preserve a way of life for American Indians in the Northwest four decades ago, died Monday near Olympia, Wash.
Kenneth Tomlinson, 69, a conservative journalist and former editor of Reader's Digest who became chairman of the Corporation for Public Broadcasting, one of several presidentially nominated roles in which he strenuously and at times controversially decried liberal bias in the media, died of melanoma May 1 in Winchester, Va.
Juan Formell, 71, the Cuban composer, arranger and bass player who founded the group Los Van Van and made it into one of the world's greatest dance bands, died May 1 in Havana.