 He picked architect Vincent Kling to design most of the buildings over Louis Kahn, another possible contender.The Pennsylvania Railroad wanted to sell the land off in smaller lots for piecemeal development, but Mayor Clark used his political clout to see that Bacon's plan was realized.The plan was implemented with public support, but it would come into criticism later from urban planners, and notable journalist Jane Jacobs for placing vibrant urban activity underground leaving no use for the above ground promenade, and failing to account for actual human usage of the space.