. >> after the war, the original architect, james hoban, rebuilds it exactly as it had been -- in what will become known as the federal style. >> president madison decreed that it be rebuilt as a symbol of survival. >> by 1817, the renovation is almost complete and our fifth president, james monroe, moves in. a dozen years later, the seventh, andrew jackson, lets a drunken mob trash the place during his inaugural ball. maybe this poor piece of wood was part of the collateral damage. who knows? over the years, presidents come and presidents go, redecorating, repainting, and renovating to suit their individual tastes. then, in 1902, theodore roosevelt begins the first wholesale restoration of the mansion that he officially names "the white house." it's time to pick up the thread of this strange inheritance story. according to mike meister, in 1902, his great-uncle, joseph williamson jr., is a law student at georgetown university in d.c. one day, he strolls down pennsylvania avenue, spots the piece of wood in a junk pile, and thinks, "it's pretty neat." >> joseph jr. picked it up. >> like