Kunkel
Many folks perhaps under-recognize the considerable contributions of Tom Kunkel.
I am not among them:
http://www.jbc.org/content/279/17/16895.full.pdf+html
(on the fidelity of DNA polymerase)
Again, lets be clear, the fidelity of DNA polymerase IS the grist upon which DIVERSITY is generated laying the foundation upon which NATURAL SELECTION can occur.
Darwin predicted all of this. He was correct.
Scoreboard: Darwin ALL, others NONE.
The dude nailed it.