1. Prof. and Head of the Dept. of Mechanical Eng., Univ. of Kentucky, Lexington, Ky.
2. Associate Prof. of Mechanical Eng., Uruv. of Kentucky, Lexington, Ky.
3. Dean Emeritus of the College of Eng., Univ. of Kentucky, Lexington, Ky. Director of Highway Research, Materials Research Lab., Lexington, Ky.