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spent most of his time serving on the boards of charities. He had given grants and funded scholarships for more than sixty universities around the world.
    He stood before the professional espresso machine and hummed the theme from The Empire Strikes Back as the valve roared and spat. Having my milk steamed by one of the world's wealthiest men was intriguing. I thought there was a touch of ennui in his eyes, but it's easy to overanalyze the rich. Maybe he looked that way because he had been disappointed so often.
    "Did Betty tell you about Gus and Phil?" Montoya asked as he poured foam and hot milk from the small steel pitcher.
    "She did," I said.
    Being around Gus Beck made me nervous. He was twitchy and far too brilliant. I never knew when he might erupt in a fit of righteous technical criticism. Phil Castler was just the opposite--old-world gracious, fierce in debate but otherwise mild and self-effacing.
    Montoya sprinkled cocoa over the peak, handed me my latte, and came around the bar carrying another mug filled with plain black coffee. He sat on the stool next to mine. "And?"
    I smiled. "Uploading into cyberspace, living in a computer or a robot brain, immortalized in hardware, in silicon ..."
    "Makes you laugh?" Montoya asked, sipping.
    "No. I just don't think it'll happen in time for me and thee."
    "Tell me why," Montoya asked primly.
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    "The devil is in the details. The mind 15 the body. Gus is still back with Descartes in believing they can be separated."
    "Explain."
    "Downloading the brain's patterns isn't enough. Everything you know and think is embedded in your neurons, but your consciousness is in the cells of your entire body. Your mind is really a complex of brains, with major contributions from the nervous and immune systems. The flesh is intelligent, all flesh, and all of it contributes to your personality at one level or another. Take the body away, and you become near-beer, bitter without the kick."
    Montoya chuckled and looked away, rubbing one hand on his breast. "Why not capture the state of each cell, each neuron, in a computer? A super MRI machine could do something like that, right?"
    "Each one of our cells is like a huge factory with thousands of machines and workers. What the cells do, the decisions they make, how they live, contributes to what you think and how you behave. We won't capture that much detail in any artificial memory in our lifetime. Even if we could, one human being would probably fill all the computer capacity on Earth."
    Montoya nodded. "What about Castler--sending in nanomachines and cleaning up an aging body?"
    Easy questions so far. "It's a good scheme, quite possible, but how old are you, Owen?"
    "Forty-five " he said.
    "You'll be ninety before nanotech is proven and safe. Fifty years creeps up awfully fast."
    I was playing down the prospect of Phil's success a little; thirty years was not unlikely.
    "You're not just saying that to get me to fund you?"
    "I think Gus and Phil are brilliant. I encourage you to fund them both. But their ideas are longer-term."
    "They hate being told that," Montoya said. He looked at me squarely. "How are your theories any more convincing?"
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    "I won't turn you into a corpsicle and hope somebody knows how to fix you in a hundred years. I won't shave you down neuron by neuron, then upload you into some memory bank no one has even begun to design. I can begin to increase our life span in the next few years, with minimal intervention. If you and I want to stay young and healthy longer," I said, closing in, "our only hope is medical maintenance, keeping our bodies vigorous. Specifically, mitochondrial chromosome adjustment."
    "Beck turned red when I told him I was meeting with you," Montoya said. "He said you were insufferably arrogant. He said you were rehashing theories proven wrong back in the 1920s. I thought about asking Betty to fetch him a spit-cup."
    "There's a lot of passion there," I said. Gus and Phil were my rivals and might have