Perhaps...
...when we're ready to install the first septic system on Mars, we can enlist the aid of Mr. Levin. Until then, he should stick to subjects he knows something about.
Space/Science » in reply to Sure He's A PhD Sanitation Engineer Among Other Things
...when we're ready to install the first septic system on Mars, we can enlist the aid of Mr. Levin. Until then, he should stick to subjects he knows something about.