During that whirlwind first stay, I only got the basics, but many years later, I learned about Gustav's life, his times and his beloved city in depth.

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Kluane National Park, I later learned, has the highest concentration of grizzlies in Canada.

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And though I later learned that the formula for projecting the number of jail cells was more nuanced, it was not inaccurate.

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It was the same guitar I had seen Alexis Korner playing, a double-cutaway semi-acoustic Kay, which at the time was a quite advanced instrument, although essentially, as I later learned, it was still only a copy of the best guitar of the day, the Gibson ES-335.

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A. Well, I learned later about that, and I was surprised.

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"I was tearing my hair out when I learned that later, " Mr. Gimbel says.

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And as a curious footnote to history (which I learned years later), one batch of NeXTs bought for the purpose of running Mathematica went to CERN in Geneva, Switzerland where they ended up having no less distinction than being the computers on which the web was first developed.

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But here are some things I learned about learning later in life that helped me get through.

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Eight years later, I started a digital news company and learned from a set of Web denizens.

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