Freezing TIme: Rediscovering "Doc" Edgerton | Deborah Douglas | TEDxMIT

Harold Edertton: Capturing Time and Transforming Technology

Key Concepts:

• Stroboscope: A device used to make cyclic motion appear slow or stationary, crucial to Edertton’s work.
• High-Speed Photography: The technique of capturing images of very fast events, revolutionized by Edertton.
• Practical Application of Theory: Edertton’s philosophy of grounding theoretical work in real-world experimentation.
• Interdisciplinary Innovation: The convergence of engineering, art, and industry in Edertton’s inventions.
• Mercury Arc Strooboscope: An improved stroboscope utilizing a mercury arc for brighter, more effective illumination.

I. The Power of Sensing a Moment & The Initial Spark

The speaker begins by highlighting the importance of creativity – the ability to recognize a societal need and transform something mundane into something essential. This is illustrated through the ubiquitous presence of strobe lights in modern life: preventing airplane collisions, signaling emergencies, enhancing performances, and guiding landings. The narrative then focuses on Harold Edertton, dubbed “Papa Flash” by Jacques Cousteau, a figure largely unknown despite his profound impact on modern technology and visual culture. Edertton’s initial inspiration stemmed from witnessing the 1909 Wright brothers’ demonstration at Fort Meyer, Virginia, a moment that ignited his fascination with defying gravity and capturing motion.

II. Early Education & The Electrification Challenge (1903-1930)

Born in 1903 in Fremont, Nebraska, Edertton’s formative years were shaped by his father’s work in Washington D.C. and the impactful experience of seeing the Wright brothers fly. He pursued electrical engineering at the University of Nebraska during a period of national focus on electrification – extending electrical power beyond cities to rural areas. This context explains his choice of major, as the nation grappled with the challenges of a continent-wide electrical grid. After graduating, he joined General Electric’s research lab in Schenectady, New York, a hub of innovation, where he encountered an early, flawed stroboscope created by Lauren and August Sigun. This initial frustration fueled his desire to improve the technology. He continued his studies at MIT, encouraged by his father, joining Vanavar Bush’s research group focused on solving problems related to national electrification. His master’s thesis in 1927 utilized the “integraph” – a complex analytical instrument – but his true passion lay with the stroboscope.

III. The Stroboscope & Early Experimentation (1930-1934)

While the integraph was the focus of his thesis, Edertton was captivated by the potential of the stroboscope. Even before completing his doctorate in 1931, he secured a consulting gig at the Comfort Dam in Vermont, applying his stroboscopic techniques to analyze generators. This exemplifies his belief in the importance of practical application alongside theoretical understanding. He trained students, like Kenneth Beardsley, Kenneth Germishen, and Herbert Greer, emphasizing experimentation and innovation. A pivotal moment occurred when he and Charles Stark Draper, a fellow MIT researcher, captured the first non-scientific image – “Water from Faucet” – sparking a creative direction encouraged by Edertton’s wife, Esther. This led to collaborations with James Killian, the editor of Technology Review, who recognized the potential of Edertton’s visual work to transform the magazine.

IV. Industry Collaboration & Artistic Recognition (1934-1940)

Edertton’s work began to attract attention from industry. He collaborated with the SD Warren paper mill in Maine, leading to coverage in Fortune magazine and showcasing his ability to capture industrial processes in a visually compelling way. His fascination with sports and motion led to experiments with golf, tennis, and other activities, culminating in a partnership with Spalding and the iconic photographs of Bobby Jones swinging a golf club. These images blended scientific analysis with artistic composition, gaining widespread recognition. Hundreds of his experiments are now accessible online via a provided QR code. By 1940, Edertton’s images had reached a massive audience, featured in the first photography exhibition at the Museum of Modern Art, the Eastman Kodak pavilion at the 1939 World’s Fair (with interactive displays allowing visitors to capture their own high-speed images), and a documentary short, Quicker in a Wink, which won an Academy Award. A book of his photographs, published with Killian’s support, further cemented his reputation.

V. From Engineering to Art & Legacy

Edertton’s success stemmed from his ability to bridge the gap between engineering and art. He consistently identified himself as an electrical engineer working with strobe lights, yet his work transcended technical application to become a significant contribution to visual culture. He established a company manufacturing portable stroboscopes and flash units, demonstrating the commercial viability of his inventions. His philosophy – “What am I doing right now? That’s who I am” – encapsulates his dedication to continuous exploration and innovation. Ultimately, Edertton transformed a century-old invention into a practical tool for scientific observation, capturing the essence of speed and enabling a deeper understanding of the world around us.

Technical Terms & Concepts:

• Integrap: A mechanical analog computer used for solving differential equations, central to early research at MIT.
• Synchronous Motors: Electric motors that rotate at a speed directly proportional to the frequency of the applied alternating current.
• Mercury Arc Strooboscope: A stroboscope utilizing a mercury arc to produce a bright, pulsed light source.
• Bandwidth: The range of frequencies a device can handle, relevant to the stroboscope’s ability to expose photographic film.
• Hydroelectric Dam: A dam that utilizes the potential energy of water to generate electricity.

Logical Connections:

The presentation follows a chronological structure, tracing Edertton’s journey from childhood inspiration to widespread recognition. It demonstrates how early experiences, educational pursuits, and collaborative opportunities converged to drive his innovation. The narrative highlights the interplay between theoretical research, practical application, and artistic expression, showcasing how Edertton’s work transcended disciplinary boundaries.

Data & Research Findings:

• The speaker notes that Edertton has only a handful of photographs of himself, contrasting with the thousands taken of children today.
• The speaker mentions that electrical engineering comprised approximately one-third of the majors and faculty at MIT during Edertton’s time.
• The 1939 World’s Fair featured an interactive exhibit where visitors could capture their own high-speed photographs.
• Quicker in a Wink, a documentary about Edertton, won an Academy Award in 1940.

Notable Quote:

“I’m an electrical engineer and I work with strobe lights and circuits and make useful things.” – Harold Edertton, demonstrating his pragmatic approach to his work.

Synthesis/Conclusion:

Harold Edertton’s story is a testament to the power of curiosity, experimentation, and the seamless integration of art and science. He wasn’t simply an inventor; he was a visual explorer who revolutionized our ability to perceive and understand motion. His legacy extends beyond the technical advancements he pioneered, inspiring a generation of scientists, engineers, and artists to embrace interdisciplinary thinking and pursue innovation with both rigor and imagination.