But if generative art is just an idea about art then what else is there?
Anyway some early generative art pioneers (I take a European mid 20th century angle because mid 2000s MIT grads did not invent this field):
https://monoskop.org/Max_Bense (his idea of information aesthetics is what we are in now and has becoming more or less boring as an idea about art imo) https://monoskop.org/Frieder_Nake Many nice examples here http://dada.compart-bremen.de/