The Immortals

I hope you are not prone to regrets. 
The next time you make the wrong decision, I want you to look back and remember that it seemed like a good idea at the time. You were given incomplete information. The future was unknowable. What is there to regret?
Nevertheless, the dull ache of regret came upon me when Kary Mullis died without warning. 
I loved Kary for his sense of humor and his wit, and I will always cherish what he wrote in my copy of his book, Dancing Naked in the Mind Field. 
And then Loren Lewis died without giving me a heads-up. 
Loren was never a father-figure; he was my outrageous older brother. He was bombastic and vain and he taught me how to get things done when I didn’t have any money, and he would have taken a bullet for me.
And then Perry McKee walked over the horizon without a wink or a wave good-bye. 
Perry was extraverted and impulsive and he made everyone laugh. When we were 14, Perry decided the day had finally arrived that he sho