Armstrong is a medical oncologist at the Johns Hopkins Kimmel Cancer Center in Baltimore.

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Last year the Sidney Kimmel Cancer Center lured Dr. Albert Deisseroth, former head of oncology at Yale, to become its new president.

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Vince's insurance gave him the freedom to take Zoe for a second opinion to Johns Hopkins' Sidney Kimmel Cancer Center in Baltimore, where she was assigned to Patrick Grohar, a young pediatric oncology fellow.

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While at the Sidney Kimmel Cancer Center in San Diego in 1994, he discovered a new way to get the immune system in rats to go after cancer, and shortly thereafter he moved to UCLA to try it in humans with brain cancer.

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He was also featured in a recent study by the National Foundation for American Policy that found 35 percent of the physician scientists at the Johns Hopkins Sidney Kimmel Comprehensive Cancer Center are immigrants.

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