sentences:  The reorganization of SOM and the ongoing sluggish economy affected the final outcome of the design of 101 Second Street although much of the structure, including the public atrium and stepping down towards Second Street, can be attributed to O'Brien.Design Partners Brian Lee and Craig Hartman picked up the final detailing of the project after Larry Doane and Steve O'Brien.Prior to September 11, 2001, a public loggia had been proposed for the upper floor to provide San Franciscans with a public open space unparalleled in any American City at that time.