Engineering “The Miracle of the ENIAC”: Implementing the Modern Code Paradigm

Building on plans developed by Adele Goldstine and others, in April 1948, Nick Metropolis completed the conversion of ENIAC to the style of programming first described in John von Neumann’s 1947 “First Draft of a Report on the EDVAC,” making ENIAC the first computer to execute programs written in the new style. This article documents the conversion process and compares the 1948 ENIAC’s capabilities to those of the first modern computers.