Professor Stephen D. Holland Professor Holland joined the faculty of Iowa State University in August, 2006. He is the group leader of the thermography group of the Center for Nondestructive Evaluation and the Department of Aerospace Engineering. Professor Holland can be contacted by e-mail using the address sdh4 at the domain iastate.edu Dr. Holland has developed an published a large variety of open-source code. See also his instructions for building an Android operating system from source code