I worked with Dale for more than 12 years and learned a lot from him in Computational Particle Fluid Dynamics where he pioneered. He was forward-thinking and often had innovative ideas to advance our software quickly.
From Arena-flow to Barracuda, from single-material sand particles to multi-material particles, from isothermal to thermal, and from non-reacting to chemical reacting, Dale laid the foundation and did the framework for what has become Barracuda Virtual Reactor. He was also visionary in choosing CUDA GPU over OpenMP or MPI to parallelize Barracuda, which has proved very successful.
Not just technically talented, Dale cared for other people in the company and was ready to help them. I will never forget that Dale and Arlene helped paint my home in Albuquerque in their free time in 2007 right after I bought it. My home was only a couple of miles from theirs around that time. In front of their home there were two big cherry trees. Dale and Arlene always asked me and my family to come over to pick up their cherries anytime and we did that for many years. We probably picked more than a hundred pounds of cherries over the years.