It depends on how technical a subject is and whether practicing it helps understand it. It's not terribly surprising that most historians of science who cover m

It depends on how technical a subject is and whether practicing it helps understand it. It's not terribly surprising that most historians of science who cover modern (post WWII) science have at least some science background. You can't meaningful deal with the debates over the nature of the genetic code or particle physics unless you understand the technical issues.