sentences:  Not completed when the White House was occupied in 1800, the Grand Stairs were probably finished by architect Benjamin Henry Latrobe in 1803 or shortly thereafter.To the north of this wing was a Public Dining Room and (between the dining room and the entrance hall) a Porter's Lodge and a narrow, winding Private Stair.To the south of the Grand Stair was a smaller room, to be used as a Cabinet Room or President's Library.