Trajan's Forum was the greatest of the Roman imperial fora. It was the work of the architect Apollodorus of Damascus.
Bouchard, Elsa. "Dedication of the forum Traiani (Trajan's Forum)". The Literary Encyclopedia. First published 01 March 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=11453, accessed 22 May 2013.]