At a 1947 meeting of the Optical Society of America, which inventor took an instant photo of himself?

At a 1903 dinner party in a fashionable New York restaurant, guests ate while sitting astride which animals? At the 1935 Big Ten championships in Ann Arbor, which Ohio State athlete broke three world records and tied a fourth in… At a 1943 meeting in which North African city did FDR and Churchill agree to invade the "soft underbelly" of the Axis? At a 1944 auction, a handwritten copy of which scientist's paper on special relativity brought a $6.5 million pledge in… In 1984, which longtime UPI White House reporter, sharing a name with a "doubting" apostle, became the first woman to w… In 1989, "Shot Red Marilyn" by which Pop artist sold at auction for about $4 million? In 1996, Marxist rebels took hostages at a party in Lima honoring the birthday of which Japanese emperor? At a congress in which city in 1754 did Benjamin Franklin propose a plan to unite the colonies?