In this new, fifth episode of the "Lucky to Live in Pittsburgh" series , we find out about Albert Gallatin, a U.S. Founding Father, and his h ouse in Fayette County. He also knew Lafayette, the French military le ader, who came to Western PA in 1825. And during the presidency of Tho mas Jefferson, Gallatin helped fund the Louisiana Purchase and the Lew is & Clark Expedition. We also learn a lot about Merriwether Lewis's d og named Seaman, a Newfoundland.