Charles Barber is the author of In the Blood, the story of how Bart Gullong and his partner Frank Hursey discovered how a crushed rock called zeolite had blood‑clotting properties. It took years to overcome the legal hurdles initially brought forth by the Army but the product won in the end, giving rise to QuikClot, now a basic lifesaving miracle for every military first aid kit.

At age 50, Bart Gullong met his future business partner Frank Hursey. Frank actually experimented with kitty litter to discover QuikClot but eventually lost the patent to it. Bart’s role was helping in the business side of things and the small company that Gullong and Hursey created in 2002 out of a workshop recently sold for more than half a billion dollars.

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