His academic training in archaeology is mentioned in numerous' episodes and he continues to pursue archaeology as a hobby; he also remarks at one point that he failed a semester of organic chemistry because of a distraction created by romantic issues.
His academic training in archaeology is mentioned in numerous' episodes; he continues to pursue archaeology as a hobby and has a strong interest in centuries-old analog devices. He also remarks at one point that he failed a semester of organic chemistry because of a distraction created by romantic issues.