But despite his lack of recognition, Mr. Hennen, like any practical word-farmer, has simply gone about his calling with humility and gratitude in a culture whose primary crop has become fame.
But the women themselves (seen in photographs and videos) use practical words like "bodybuilders" and "hypermuscular".
"That's what I find mystifying about the meanings of things: they kind of unscrew themselves from the practical words".
Yet there is no hard-and-fast rule: a leading member of Senegal's literary community, Amadou Bamba M'backe, who founded the politically important group of the Murīdiyyah, wrote (quite apart from practical words of wisdom in his mother tongue) some 20,000 mystically tinged verses in Classical Arabic.
It's boring, and practical (words Sarah Lacy used today to describe LinkedIn).
In those office hours, over the years he gave me a shield, practical words and thoughts that would help me as a gay Nigerian Catholic journalist.
"Pragmatic and practical are words that can be used to describe engineers in general, which make them useful people to have around in a number of different working environments," says Margaret Holbrough, careers adviser at Graduate Prospects.
In the meantime, the practicalities -- if practical is the word -- of fatherhood were taken up by Lady Caroline's third husband, the manic-depressive poet Robert Lowell, and her good friend Robert Silvers, a founder of The New York Review of Books.
The word practical seemed especially relevant.
The word "practical" means that a fusion power system must be desirable, based on the realities of the society into which it will be introduced.
There's also the less philosophical, more practical issue, the word that is almost never spoken in the bubbly world of Silicon Valley: profits.
