We have one object that Mark Hayden 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/1158831473/ |title=Mark Hayden |author=Cooper Hewitt, Smithsonian Design Museum |accessdate=19 March 2019 |publisher=Smithsonian Institution}}</ref>