Charles Francis Dalziel (1904–1972) was an American electrical engineer and professor who made significant contributions to the understanding of the effects of electric shock on the human body. Here are some key points about him:

    Research on Electric Shock: Dalziel is best known for his pioneering research on the physiological effects of electric shock. He conducted numerous experiments to determine the thresholds of electric shock and its potential harm to humans, including the parameters under which electric shock can be fatal.

    Ground-Fault Circuit Interrupter (GFCI): His research played a significant role in the development of safety devices such as the Ground-Fault Circuit Interrupter (GFCI). GFCIs are designed to protect people from electric shocks due to ground faults, especially in areas where electricity and water are in close proximity, like bathrooms and kitchens.

    Standards and Safety: Dalziel's work led to the establishment of various electrical safety standards and guidelines that are still in use today. These standards have been crucial in ensuring the safety of electrical installations and products.

    Academic Career: Besides his research, Dalziel had a notable academic career. He taught at the University of California, Berkeley, and was instrumental in shaping the electrical engineering curriculum there.

    Legacy: Charles Francis Dalziel's dedication to understanding electric shock's effects on the human body has saved countless lives. His research has been pivotal in developing technologies and standards that protect individuals from the dangers of electricity.

Though not as widely known as some other figures in the electrical engineering world, Dalziel's impact on electrical safety has been profound and long-lasting.

"We have tried to include below some of the most frequently encountered names and the scientists most requested by you. However, please remember that there are many scholars whose names we haven't mentioned who have contributed significantly, laying the foundation for our current knowledge."

- Alessandro Volta
- André-Marie Ampère
- Benjamin Franklin
- Charles Francis Dalziel
- Ernst Werner von Siemens
- George Westinghouse
- Guglielmo Marconi
- Hans Christian Oersted
- Heinrich Hertz