Horace Wells (January 21, 1815 – January 24, 1848) was an American dentist who pioneered the use of anesthesia in medicine, specifically the use of nitrous oxide (or laughing gas).

Horace Wells, a pioneering figure in the field of anesthesia, was born on January 21, 1815, in Hartford, Vermont. He is widely recognized for his groundbreaking discovery of the anesthetic properties of …

5 days ago · Anesthesiology saw a year of significant innovation in 2025 as new technologies, techniques and care models redefined what is possible in the perioperative environment. From AI …

The following day Wells had a troublesome wisdom tooth painlessly removed under nitrous oxide. In January 1845 he went to Boston to demonstrate his discovery at the Harvard Medical School.

Horace Wells, American dentist who was a pioneer in the use of surgical anesthesia. Wells was ridiculed for the presumed failure of a public experiment of the pain-killing properties of nitrous oxide in 1845. …

Horace Wells, a pioneering dentist in the 19th century, discovered the power of anaesthetic. In 1844, he attended a public demonstration where nitrous oxide,...

Dec 10, 2021 · In the early 19th century Hartford dentists Horace Wells and William Morton played instrumental roles in the development of anesthesia for dental and other medical applications.

T he discovery of anesthesia in the second quarter of the 19th century was one of the greatest advances in the history of medicine. This discovery has been variously attributed to Long, Wells, Morton, …

Jun 1, 2021 · Preface Horace Wells (Dentist 1815–1848) has been honored for almost two centuries as a hero for his discovery of anesthesia.

Jan 5, 2002 · Reasoning by analogy, Wells, within fifteen hours, made the confirming experiment, with himself as subject, having nearby dentist John Riggs extract his bothersome wisdom tooth, without …