Main Page | See live article | Alphabetical index Ward Christensen was the founder of the CBBS bulletin board. Ward was noted for building software tools for his needs; he wrote a cassette based operating system before floppies and hard drives were common. When he lost track of the source code for some programs, he wrote ReSource (an interative disassembler for the 8080) to help him regenerate the source code. When he needed to send files to Randy, he wrote Xmodem. This article is a stub. You can help Wikipedia by fixing it. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.