" In that same data set, if you are considering what does explain who becomes a doctor or a lawyer, parental education (and not IQ) is the main explanatory variable, accounting for 39 and 52 percent of those career decisions, respectively. Furthermore, parental income plays a larger role in pushing you into being a doctor or a lawyer than it does in being an inventor. "

― Tyler Cowen , Talent: How to Identify Energizers, Creatives, and Winners Around the World