To Mom and Dad: I can do this because of you—thank you! —Matt

To my family, friends, and colleagues: This took quite a bit of our time away. —Luc

For Ellen, my wife, my inspiration, and my best friend —Brian

To my family, thanks for waiting for me to complete this during all those evenings when there were far more interesting things for us to do. I’m back now —Jonathan

To my family, for letting me do another one of these —Glenn

To my children, you motivate me to be the person you believe I am —Andrew