Here is an account of an early programmer who designed the architecture for his compiler while on LSD: http://www.maps.org/news-letters/v18n1/v18n1-MAPS_24.pdf

Here is an account of an early programmer who designed the architecture for his compiler while on LSD: http://www.maps.org/news-letters/v18n1/v18n1-MAPS_24.pdf http://www.maps.org/news-letters/v18n1/v18n1-MAPS_24.pdf Compilers are generally considered very complex programs, and the "mind expanding" properties of psychedelics helped him for laying out the high level design (he did not do the actual coding while under the influence).