Which brings us to his father, a gifted musician and composer whose early death from heart disease left a profound mark on Mr. Kurzweil.

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For after all, If an architect is going to make a mark, well then make an impactful mark on the heart, the soul and the mind of your customers.

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"Almost all forms of heart surgery require heparin, " says Mark Stafford-Smith, a cardiothoracic anesthesiologist at Duke University.

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