"The Chairman: I see that you are a little sensitive lest it should be thought that you are a mere theoriser, I do not look upon you in that light at all.
"A History of Trade Unionism in the United States"
Selig Perlman
He makes the young lover an idealistic theoriser about the very things about which he really would have been a sort of mystical materialist.
"George Bernard Shaw"
Gilbert K. Chesterton
This was written in the thirteenth century, and it is scarcely edifying to find four hundred years after this the Jesuit Father Lana, who contrived to make his name live in history as a theoriser in aeronautics, arrogating to himself the bold conception of the English Friar, with certain unfortunate differences, however, which in fairness we must here clearly point out.
"The Dominion of the Air"
J. M. Bacon