The curious youngster, the crack student who gets nothing (31) A’s in math and sciences, the bright and inventive whiz kid who frightens his or her schoolmates, sometimes becomes an inventor that the world will honor forever for devising an important machine, improving an old process, or making a major breakthrough (32) the search for the cure for some disease.
It is rare nowadays to see one person alone invent something entirely new and startling. More (33) a number of researchers are working (34) a problem that has been studied by others for some time; a pioneer has (35) the groundwork, probably, and his or her successors are building on it, step by step.
Scientists, engineers, and technicians are a competitive lot; they often have a clear idea (36) what is afoot in (37) others’ laboratories, and they do their (38) to beat their rivals to the final glorious discovery.
Some inventors are
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