I started teaching mathematics at MSJC as a part time 'hobby' shortly after retiring from Boeing (as a 'Principle Scientist'). That was more than 10 years ago and that 'hobby' has become a great 'second career'. My background as an aerospace engineer has provided a lot of insights into the application of mathematics. As a GN&C (Guidance, Navigation and Control) Avionics systems engineer, I was able to apply most of the math we teach at MSJC (and a lot of the physics). Math, physics and engineering are the family business for several of us. I’m also an artist, working in several mediums.