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DIED. FRANK CRAIGHEAD, 84, renowned grizzly-bear researcher; in Jackson, Wyo. At a time when bears were thought to be nothing but trouble, Craighead and his brother John followed the animals around Yellowstone National Park for a dozen years, showing in the process their importance in the ecosystem. The Craigheads' work inspired a generation of biologists and conservationists.
DIED. SIR JOHN PLUMB, 90, colorful British historian and oenophile; in Cambridge, England. A working-class boy who fell in love with history and became a prolific author of popular books on the Renaissance and the British monarchy, he also produced more scholarly works. He was considered the resident, somewhat cantankerous genius of Christ's College, Cambridge, where he spent his entire academic career.