From Amazon.com:
After serving 4 years with the U. S. Army, Mr. Risch earned a degree in electronic engineering. Successfully designing, fabricating, and testing many electronic systems for both commercial and military applications, he then became involved with technical writing.

As a technical writer, Mr. Risch has written and authored millions of words, business proposals, white papers, service manuals, and other types of technical documentation throughout the years. He has worked with or been contracted to small companies as well as large corporations. He has also worked for various agencies of the federal government, including NASA, the Department of Energy, Social Security Administration, Department of Defense, and the Office of the President of the United States.