Curt Siodmak 
Donovan’s Brain [EPUB ebook] 

The SF classic novel of the terror that lurked in DONOVAN’S BRAIN.DEAD…Doomed by disease, then mangled in a plane crash, there was no doubt that Donovan was dead.YET…floating in a tank of nutrient, linked to complex apparatus, Donovan’s brain still lived…ALIVE…someone walked with Donovan’s gait, wrote his signature, knew his foulest secrets-and carried out his last, weirdest plan!"Donovan’s Brain is terrific!"-THE NEW YORK TIMES