Born on This Day: January 16

Seventh Sikh Guru, remembered for strengthening Sikh institutions, humanitarian service, and care for the natural world.

Swiss anatomist whose experiments on the pancreas contributed to later understanding of digestion and diabetes.

French industrialist who helped develop pneumatic tires and the Michelin Guide, influencing transportation and travel culture.

American inventor whose ice-resurfacing machine transformed the operation of skating rinks worldwide.

American primatologist whose long-term study and defense of mountain gorillas transformed conservation and public understanding of primates.