TeX (compressed file tex.eps.gz, 12K bytes)[from Volumes B and D of Computers & Typesetting]
Meta (compressed file meta.eps.gz, 9K bytes)
Mathematical Analysis of Algorithms (compressed file maa.eps.gz, 11K bytes)[from the title slide to my IFIP 71 talk, paper P46 on my list of publications]
Digital typography (compressed file typo.eps.gz, 16K bytes)[provenance unknown; somebody gave a me a xerox copy of this image, circa 1980]
John 3:16 (compressed file john316.eps.gz, 75K bytes) (Also in Acrobat form)[see 3:16 Bible Texts Illuminated for further information about this image]
Mathematics (calligraphy received as a birthday present, 10 January 2002, jpeg version, 511K bytes)
Mathematics (calligraphy received as a birthday present, 10 January 2002, Postscript approximation, 73K bytes)
Matthew 3:16 (JPEG file matt316.jpeg, 555K bytes) received as a present, 12 June 2006
Al1 (JPEG file al.jpeg, 157K bytes)
Al2 (GIF file by Andreas Schlechte---avoids the postmark, 125K bytes)
Al3 (like Al2 but with shading not engraving, 128K bytes)[A postage stamp issued by the USSR in 1983 to commemorate the 1200th anniversary of Muhammad al-Khowarizmi, after whom algorithms are named. Scanned at 300dpi.]
Err-and-err-and-err-again (compressed file h-k.eps.gz, 218K bytes)[a Grook by Piet Hein, rendered on a piece of Welsh slate in the shape of a superellipse; used as frontispiece in the book Mathematical Writing]
typecases-filled-with-souvenirs (JPEG file, 422K bytes)
triangles with 36-45-90 angles (PDF file, 285K bytes)
Don Knuth circa 1995 (TIFF file closeup.tif, 27K bytes)
same at higher resolution (TIFF file don-hires.tif.gz, 1.3M bytes)
same with different compression (JPEG file don-hires.jpg, 453K bytes)
[commissioned by the Stanford Engineering School]. Also a picture with Christos Papadimitriou taken at the University of Macedonia (2 July 2003), and a picture with Peter Naur taken by Jill Knuth at our home (18 January 1975).
Here's a pencil sketch made by The Lutheran High School Association of Greater Milwaukee (my alma mater); also a bitmap image based on that sketch.
I've also received a nice portrait sketched by Alexandra Drofina of Computerra in Moscow; here is a lo-resolution GIF file as well as a hi-resolution TIFF file. Note: These images are provided for non-commercial use only; commercial users should write to Yura Revich for permission.