I heard it about Berthold K P Horn https://www.eecs.mit.edu/people/berthold-horn/ https://www.eecs.mit.edu/people/berthold-horn/, professor of machine vision. A

I heard it about Berthold K P Horn https://www.eecs.mit.edu/people/berthold-horn/ https://www.eecs.mit.edu/people/berthold-horn/, professor of machine vision. And it was extra convenient because he wanted to output the result of the computation as an image anyway, and what better way than with a high-quality printer?