Yeah, I love that problem. If you want the maximum effect with the minimum effort, introducing the printing press would be a good move. However, technological c

Yeah, I love that problem. If you want the maximum effect with the minimum effort, introducing the printing press would be a good move. However, technological change isn't really sufficient -- to do the most good, you'd need to have a strong grasp of economics, politics, medicine, the sciences, and (of course) most fields of technology.