ch:person=18538335
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/18538335/ |title=John Armstrong |author=Cooper Hewitt, Smithsonian Design Museum |accessdate=18 April 2024 |publisher=Smithsonian Institution}}</ref>
