American amateur mathematician (*1923 – †2017).
Born February 16th, 1923 in St. Petersburg.
Died July 2nd, 2017 at 94 years old in San Diego. [ref]
When we finally know we are dying, and all other sentient beings are dying with us, we start to have a burning, almost heartbreaking sense of the fragility and preciousness of each moment and each being, and from this can grow a deep, clear, limitless compassion for all beings. Sogyal Rinpoche