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Daniel Callahan, 43. As a writer, philosopher and executive editor of the liberal Catholic magazine Commonweal until 1968, Callahan aimed his iconoclasm at such churchly concerns as priestly celibacy (against it), divorce reform (for it) and abortion (for it). Increasingly concerned that mankind's social and scientific skills were developing in a moral and ethical vacuum, he founded in 1969 the Institute of Society, Ethics and the Life Sciences in the New York suburb of Tarrytown. Through conferences, newsletters and testimony before legislative bodies, the 84-member institution seeks to influence policy in areas like genetic engineering, behavior and population control.
41
Ivan Chermayeff, 42. One of the nation's foremost designers, he has literally left his mark around the world. He created the interiors and landscaping for the U.S. Pavilion at Montreal's Expo 67, and is doing the John F. Kennedy Memorial Library's displays. Seeking to put personality into corporate identity, he has designed trade logos, exhibitions and lobbies for such clients as Pan American World Airways, Mobil Oil, the Chase Manhattan Bank. Born in London, he lived in Canada, graduated from Yale, is now a partner in design firms in New York and Cambridge, Mass. Recently he conceived the symbol and identity program for the American Revolution Bicentennial Commission.
42
Lawton M. Chiles Jr., 44, Florida's self-styled "progressive conservative" Democratic Senator, won election four years ago after staging a 1,000-mile, cross-state walkathon. As a member of the "Class of 70," a small group of freshmen legislators bent on reforming the Senate, Chiles, a lawyer, decries the chamber's inefficiencies and has sponsored a "sunshine" bill that would open most congressional committee meetings and federal agency hearings to the public. "We're hidebound and hobbled," he says. "We're so far behind the state legislature of Florida in our decision-making capacity that it's kind of pitiful."
43
Richard Clark, 44. When Iowa Congressman John Culver warily backed off from a bid for the U.S. Senate in 1972, his administrative assistant and veteran campaign manager Dick Clark stepped in to accept the Democratic nomination. Though virtually unknown to voters, Clark made a 1,312-mile walking tour of the state and upset a two-term Republican incumbent. An outspoken critic of old-style politics and pork-barreling, he exerted major influence in shaping the Senate's campaign reform bill, is now seeking to bring federal regulation to the often chaotic commodity exchanges.
44
William S. Cohen, 33, a poetry-writing lawyer from Maine, has already turned down an offer from some state Republican leaders to back him for Governor. A former mayor of Bangor, he handily won election to Congress in 1972 and was given a seat on the Judiciary Committee. This year he was the sole Republican to join committee Democrats in rejecting President Nixon's proffer of transcripts instead of tapes as final evidence. A moderate Republican with a youthful following, he has sponsored social legislation such as the nursing-home patients' bill and the newsmen's shield law.
45
Robert Coles, 44. Probably the most influential