[3] After earning his master's, he was drafted into the United States Army, where he served in Korea and at Fort Lewis in Seattle, Washington from 1965 to 1967.

[4] Stith then worked for the Radio Corporation of America from 1967 to 1969, before moving to Pennsylvania State University for a D.Ed.

[4] The chair of the department, David H. Rank, supervised his dissertation, entitled: "Stimulated Brillouin Scattering in Liquids at High Pressure.

Since 1964 Stith has been a member of the American Association of Physics Teachers (AAPT), where he became of Vice President in 1990, succeeding Thomas D.

As part of his involvement in AAPT, Stith has also served on the editorial board of The Physics Teacher and chaired multiple committees.