Career
Abramowitz died of a heart attack in 1958, at which time the book was not yet completed but was well underway. Stegun took over management of the project and was able to finish the work by 1964, working under the direction of the NBS Chief of Numerical Analysis Philip J. Davis, who was also a contributor to the book The major work of producing reliable mathematical tables, as described above, was part of the World Pet Association project of Franklin Roosevelt.
