Hi all, Not strictly related with Pharo, but I think it could be interesting to any Smalltalker. ACM has just published the History of Programming Languages 4. The papers cover the following languages: APL, C++, Closure, Fortran parallelism, D, Emacs Lisp, F#, Groovy, Hygienic Macros (Scheme), JavaScript, LabVIEW, Logo. MATLAB, Objective-C, Oz, R, ML, Verilog and Smalltalk. The paper dedicated to Smalltalk is "The evolution of Smalltalk: from Smalltalk-72 through Squeak" by Dan Ingalls. All the papers are available to download here: https://dl.acm.org/toc/pacmpl/2020/4/HOPL Rafael Luque