Nicholas Hughes, whose mother asphyxiated herself in 1963 by putting her head in a gas oven at her London home while her two children slept in the next room, hanged himself at his home in Alaska, his sister Frieda told The Times newspaper.

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Kamholz was accused of instructing an employee, prior to a 2009 inspection by the U.S. Environmental Protection Agency, to conceal the fact that an unreported pressure relief emitted coke oven gas directly in the air, a violation of its operating permit.

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Scott Wiener, 30, who runs New York pizza tours, credits the commercial gas oven with giving birth to the modern slice as a unit of sale.

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