 Why do they want Macklin specifically to be the test subject?
But Macklin is exactly what we need for a quick, dramatic test. "When we prove our results that should be of enough practical value for anyone. "But now Macklin—" Elliot Macklin had inherited the reputation of the late Albert Einstein in the popular mind. The government took up a lot of his time using him as the symbol of the Ideal Scientist to help recruit Science and Engineering Cadets. "Aspirins would still be used to reduce fever and relieve muscular pains," Mitchell said. A colony of virus in the brain cells will relax the cerebral vessels—and only the cerebral vessels—so that the cerebrospinal fluid doesn't create pressure in the cavities of the brain."
 He is a man of great importance, and people will believe him if it works.
 As a fellow scientist, he'd understand and appreciate what they're doing.  He's in relatively good health, meaning he'd survive the experiment and yield resutls.  He is a man of great importance, and people will believe him if it works.  He has chronic migraines, making him a good candidate.