Leading small engineering teams at Los Alamos National Laboratory (LANL), Kortegaard won two international awards, ending his career by creating an Applied Sciences Proficiency program, which provided week-long theoretical and design seminars on LANL engineering problems.

With friends celebrating his retirement, 1991
Memories of a crucible
The award I enjoy most is probably a sculpture "Mighty Mouse," 2012, from the kind White Rock Senior Center manager and artist Annie Bard. ..... bk

Causes of the Korean Tragedy ... Failure of Leadership, Intelligence and Preparation

The Foundations of Freedom are the Courage of Ordinary People and Quality of our Arms