Fritz Koenig (20 June 1924 – 22 February 2017) was a German sculptor best known outside his native country for The Sphere, which once stood in the plaza beneath the two World Trade Center towers in Lower Manhattan.
With its damage deliberately left unrepaired, the sculpture now stands in Manhattan's Liberty Park as a memorial to the victims of the September 11 attacks.
His oeuvre includes other works, including other memorials.