This entry is about * [[Martin Hyland, The category theoretic understanding of universal algebra Lawvere theories and monads]], [pdf](https://www.dpmms.cam.ac.uk/~martin/Research/Publications/2007/hp07.pdf) This text is an account of the history of the named topics. The question why monads are more prominent in the literature than Lawvere theories is discussed. The text is not paginated.