Siag Office was written by Ulric Eriksson and this impressive crowd:

Dan Gohman		(Tsiag, the Curses interface)
Russ McManus		(Guile support)
Daniel Risacher		(R1C1 references, Gtk support)
Robert Wittams		(More Gtk work)
Daniel M Duley		(KDE port)
John Jones		("Smart" filling)
Jon K Hellan		(Format support in WK1 code)
Dag Nygren		(Date/time formatting)
Emmanuel Bigler		(HPUX port)
Rob McMullen		(TextField widget)
Cesar Crusius		(Drag and drop protocol)
George J Carrette	(SIOD Scheme interpreter)

(Clue me in if I forgot somebody.)