Here is the essay he wrote about his realization that he coined the term: "Could Feynman have said this?" www.gnm.cl/emenendez/uploads/Cursos/callate-y-calcula.

Here is the essay he wrote about his realization that he coined the term: "Could Feynman have said this?" www.gnm.cl/emenendez/uploads/Cursos/callate-y-calcula.pdf Also highly recommend his Boojums.