Kiran Bedi was one of India's top cops -- tough, innovative and committed to social change. Now retired from the national police force, Bedi runs two NGOs that benefit rural and urban poor.
In telling stories of technologies and the individuals who created them, George Dyson takes a clear-eyed view of our scientific past -- while illuminating what lies ahead.
Since "Awakenings" stormed the bestseller lists (and the silver screen), Oliver Sacks has become an unlikely household name, single-handedly inventing the genre of neurological anthropology.
Dr. Nir Eyal is an international authority in population-level bioethics with research in health inequalities, health promotion and research ethics, especially in resource-poor settings.
An author and illustrator of many children's books and graphic novels, Jarrett J. Krosoczka creates stories with humor, heart and deep respect for young readers.
A professor of chemistry, nanoscience and chemical complexity, Lee Cronin and his research group investigate how chemistry can revolutionize modern technology and even create life.
Atomic physicist Joshua Silver invented liquid-filled optical lenses to produce low-cost, adjustable glasses, giving sight to millions without access to an optometrist.
Pulitzer winner Laurie Garrett studies global health and disease prevention. Her books include "The Coming Plague" and "Betrayal of Trust," about the crisis in global public health.
Sahaj Kaur Kohli is the founder of Brown Girl Therapy, the first and largest mental health and wellness community organization of its kind for children of immigrants living in the West.
Nick Turner is the president and director of the Vera Institute of Justice, one of the biggest and most established justice reform organizations in the US.
As founder and CEO of Amazon.com, Jeff Bezos defined online shopping and rewrote the rules of commerce, ushering in a new era in business. Time magazine named him Man of the Year in 1999.
Dr. Maria Van Kerkhove is the COVID-19 Technical Lead of the World Health Organization (WHO), as well as the Head of the Emerging Diseases and Zoonoses Unit in the WHO's Health Emergencies Programme.