Fade to Black:
Martin Gardner in the Notices of the American Mathematical Society, June/July 2005 (pdf):

“I did a column in Scientific American on minimal art, and I reproduced one of Ed Rinehart’s [sic] black paintings.  Of course, it was just a solid square of pure black.”

Black square 256x256

Click on picture
for details.

The Notices of the American Mathematical Society, January 2007 (pdf):

“This was just one of the many moments in this sad tale when there were no whistle-blowers. As a result the entire profession has received a very public and very bad black mark.”

— Joan S. Birman
Professor Emeritus of Mathematics
Barnard College and
Columbia University