Washington Post architecture critic Benjamin Forgey has won a first place in the fourth annual Manufacturers Hanover Art/World Awards for Distinguished Newspaper Criticism. Forgey is currently on a one-year leave studying under a Fulbright grant in Tokyo . . .

Washington developer Donald A. Brown, who is responsible for a few buildings around here -- such as the Four Seasons Hotel and the World Bank buildings -- is said to be one of the first individuals to be a lecturer in the business schools of both Harvard and Yale universities . . .

A problem most Washington hostesses understand: Neither raspberries nor a rich red Bordeaux will be served at the big Washington Lab School gala Oct. 30 in the new downtown Hecht's store. The store opens for business the next morning and the store owners are concerned about all the new white marble floors. In fact, at caterer Glorious Food's tasting, menu items were smeared onto a large slab of Italian marble to see how the floor would fare. The superstar guests, Cher, Tom Cruise, Bruce Jenner and Robert Rauschenberg will have to settle for white wine and nonstaining foods. . .

Harper's magazine editor Lewis Lapham was bemused to see the October issue of Atlantic magazine. The cover story by Conor Cruise O'Brien on the Middle East was substantially similar, though more extensive, than one O'Brien had written for the December 1984 issue of Harper's. Atlantic had purchased the first serialization rights to O'Brien's upcoming Simon and Schuster book titled, "The Siege: Zionism and Israel." Lapham sent a quick note to Atlantic editor William Whitworth, "Let's make a pact. If you read my magazine, I'll read your magazine." Whitworth responded: "Agreed. And let's teach those publishers and agents the definition of 'first serial' " . . .