AIGA is the professional association for design. It first stood for the American Institute of Graphic Arts, and is now known simply as AIGA. At this link is a fascinating article (external link) on people who have rendered graphic art with typewriters.
Meg Miller’s short article highlights four artists who are more fully introduced in the exhibition From the truer world of the other: Typewriter Art from PAMM’s Collection, to be held at The Pérez Art Museum in Miami (external link). It is running until April 15th, 2018. If only I could go.