Holger Hesse (1900–1967) was a German engineer. Together with his partner, Danish anesthetist Henning Ruben, he invented the world's first non-electric, self-inflating resuscitator, the Ambu bag, in 1956.

References

Life Science Encyclopedia, Bag valve mask

The Ambu-Resuscitator, British Journal of Anesthesia Volume 35, Number 11 Pp. 748

Henning Ruben MD, 1914–2004
Resuscitation, Volume 64, Issue 3, Pages 253–256, Anesthesia 20th-century German inventors 1900 births 1967 deaths {{Germany-engineer-stub