Ryuji Ueno and his wife, Sachiko Kuno at their new home, Evermay, last spring. (Matt McClain for The Washington Post)

Asking price: $3.7 million

Details: The little-known scientists who stunned Washington last year when they dropped $33 million on two of the city’s biggest historic estates, Halcyon House and Evermay, are now looking to unload their Georgetown starter mansion. On Friday (as first noted by UrbanTurf.com), they listed their six-bedroom Federal rowhouse; public records show they bought it in 2003 for just over $2 million. Four stories, five baths, two-car garage and an in-law suite. The husband-and-wife pharmaceutical execs and self-described preservation fanatics have also put their Easton, Md., waterfront home on the market, according to public records — the price just dropped from $2.2 million to $1.75 million — which would leave them with only one Eastern Shore property, in St. Michael’s, in addition to four homes in Potomac and a Manhattan condo. Meanwhile, their focus these days is turning the 3.5 acre Evermay estate into a showcase for their arts-and-sciences S&R Foundation.

Read earlier: Biotech tycoons who bought historic Georgetown properties retain aura of mystery, 6/22/12

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