mfc is Mike Cowlishaw (M. F. Cowlishaw). I'm a retired IBM Fellow and also a Visiting Professor at the Department of Computer Science at the University of Warwick ( ); for more about me, please see: http://speleotrove.com/mfc/. There's also a WikiPedia article about me, which is reasonably accurate (as of this writing).
I have mostly contributed to existing Wikipedia articles in the general area of computing and computer arithmetic. Articles which I ‘founded’ include Algorism, Battle of El Mazuco, Densely Packed Decimal, El Mazuco, Fabada Asturiana, (much of) IEEE 754 revision and IEEE floating point, Llanes, Meré, Significand, and Wallace Breem.
I've contributed a few of my photographs to Wikipedia, including: