My new book *Routines of Substitution: John von Neumann's work on software development, 1945-1948 <https://link.springer.com/book/10.1007/978-3-319-91671-2> *has been published in the new SpringerBriefs in History of Computing series edited by Gerard Alberts. More here: http://markpriestley.net/archives/99 Cheers, Mark