We have one object that Geoff Ryman has been involved with.

If you would like to cite this person in a Wikipedia article please use the following template:

<ref name=CH>{{cite web |url=https://collection.cooperhewitt.org/people/1108721927/ |title=Geoff Ryman |author=Cooper Hewitt, Smithsonian Design Museum |accessdate=1 August 2021 |publisher=Smithsonian Institution}}</ref>