24 people for doing the work Intel's engineers did. That is given the ISA and some hints (e.g a list of components they are going to need), to start from basic

24 people for doing the work Intel's engineers did. That is given the ISA and some hints (e.g a list of components they are going to need), to start from basic components and boolean expressions, convert them to CMOS circuits by hand and then draw them efficiently in a software like Magic.