John Henry Crowe (born 1943) is an American comparative physiologist.
He is primarily known for his work on the mechanisms dehydration and rehydration of cryptobiotic organism, including tardigrades.
His work included the discovery of trehalose as a cryoprotectant for cell membranes and the use of trahalose and other cryoprotectants for the preservation of human blood components including platelets for longer-term storage[3] John H. Crowe was born 21 April 1943 in North Carolina, United States and spent his formative years in Morehead City, North Carolina where he developed a passion for marine sciences.
[3] He received his bachelor's degree in (1965) in biological sciences at Wake Forest University[4] studying in the laboratory Robert P. Higgins, and publishing his first paper on tardigrade biology with Higgins.
Crowe earned his Ph.D. in 1970 at the University of California, Riverside studying in the laboratory of entomologist Irwin Mayer Newell.