Who was the architect of the woolworth building? what was the final cost of the building? (site 2)

The architect of the Woolworth building was Cass Gilbert. When Gilbert completed his project in 1913, the building was the tallest building in the world. It remained so until the construction of 40 Wall Street and the Chrysler Building.

The final cost of the building was US$13.5 million (equivalent to US$342,000,000 in 2018). The initial estimate had been around US$5 million. The final amount was divided into US$5 million for the land, US$1 million for the foundation, and US$7 million for the structure.