Eric Bina and Marc Andreesen (who started out as a student
employee of Eric's) conceived, designed, and wrote Mosaic.
After they created the X version from scratch, and it
caught on, they helped some other NCSA employees write
versions of their software for other platforms.
-- Craig R. Bina (craig@earth.nwu.edu) Dept. of Geological Sci., Northwestern Univ.