Jearl Dalton Walker (born 1945 in
Pensacola, Florida
Pensacola ( ) is a city in the Florida panhandle in the United States. It is the county seat and only incorporated city, city in Escambia County, Florida, Escambia County. The population was 54,312 at the 2020 United States census, 2020 census. ...
) is a
physicist
A physicist is a scientist who specializes in the field of physics, which encompasses the interactions of matter and energy at all length and time scales in the physical universe. Physicists generally are interested in the root or ultimate cau ...
noted for his book ''
The Flying Circus of Physics'', first published in 1975; the second edition was published in June 2006. He teaches physics at
Cleveland State University
Cleveland State University (CSU) is a public research university in Cleveland, Ohio, United States. It was established in 1964 and opened for classes in 1965 after acquiring the entirety of Fenn College, a private school that had been in oper ...
.
Walker has also revised and edited the textbook ''
Fundamentals of Physics'' with
David Halliday and
Robert Resnick.
Walker is a well-known popularizer of physics, and appeared on ''
The Tonight Show Starring Johnny Carson
''The Tonight Show Starring Johnny Carson'' is an American television talk show broadcast by NBC. The show was the third installment of ''The Tonight Show''. Hosted by Johnny Carson, it aired from October 1, 1962 to May 22, 1992, replacing ''T ...
''. Walker is known for his physics demonstrations, which have included sticking his hand in molten lead, walking barefoot over hot coals, lying on a bed of nails, and pouring freezing-cold
liquid nitrogen
Liquid nitrogen (LN2) is nitrogen in a liquid state at cryogenics, low temperature. Liquid nitrogen has a boiling point of about . It is produced industrially by fractional distillation of liquid air. It is a colorless, mobile liquid whose vis ...
in his mouth to demonstrate various principles of physics. Such demonstrations are included in his
PBS
The Public Broadcasting Service (PBS) is an American public broadcaster and non-commercial, free-to-air television network based in Arlington, Virginia. PBS is a publicly funded nonprofit organization and the most prominent provider of educat ...
series, ''Kinetic Karnival'', produced by
WVIZ in
Cleveland, Ohio
Cleveland is a city in the U.S. state of Ohio and the county seat of Cuyahoga County, Ohio, Cuyahoga County. Located along the southern shore of Lake Erie, it is situated across the Canada–United States border, Canada–U.S. maritime border ...
.
Walker was born in
Pensacola, Florida
Pensacola ( ) is a city in the Florida panhandle in the United States. It is the county seat and only incorporated city, city in Escambia County, Florida, Escambia County. The population was 54,312 at the 2020 United States census, 2020 census. ...
, and grew up in
Fort Worth, Texas
Fort Worth is a city in the U.S. state of Texas and the county seat of Tarrant County, Texas, Tarrant County, covering nearly into Denton County, Texas, Denton, Johnson County, Texas, Johnson, Parker County, Texas, Parker, and Wise County, Te ...
. He graduated with a degree in physics from the
Massachusetts Institute of Technology
The Massachusetts Institute of Technology (MIT) is a Private university, private research university in Cambridge, Massachusetts, United States. Established in 1861, MIT has played a significant role in the development of many areas of moder ...
in 1967. He received his Ph.D. from the
University of Maryland
The University of Maryland, College Park (University of Maryland, UMD, or simply Maryland) is a public land-grant research university in College Park, Maryland, United States. Founded in 1856, UMD is the flagship institution of the Univ ...
in 1973.
Walker authored ''
The Amateur Scientist'' column in ''
Scientific American
''Scientific American'', informally abbreviated ''SciAm'' or sometimes ''SA'', is an American popular science magazine. Many scientists, including Albert Einstein and Nikola Tesla, have contributed articles to it, with more than 150 Nobel Pri ...
'' magazine from 1978 to 1988. During the latter part of this period, he had been the Chairman of the Physics Department at Cleveland State University. He appeared regularly around this time on the long-running CBC radio science program ''
Quirks and Quarks''.
From 1981 to 1982 he hosted ''The Kinetic Karnival of Jearl Walker'', a six-episode series for
PBS
The Public Broadcasting Service (PBS) is an American public broadcaster and non-commercial, free-to-air television network based in Arlington, Virginia. PBS is a publicly funded nonprofit organization and the most prominent provider of educat ...
syndication in the US. In each 30-minute program he performed humorous demonstrations before a live audience. The show was distributed to schools as a teaching aide.
He is the first recipient, in 2005, of the Outstanding Teaching Award from
Cleveland State University
Cleveland State University (CSU) is a public research university in Cleveland, Ohio, United States. It was established in 1964 and opened for classes in 1965 after acquiring the entirety of Fenn College, a private school that had been in oper ...
's College of Science. The College's Faculty Affairs Committee selected Walker as the first honoree based on his contributions to science education over the last 30 years.
The award was thereafter named "The Jearl Walker Outstanding Teaching Award" in his honor.
[
]
References
External links
Walker's blog
His faculty profile which shows his photograph
Another photograph
(in the middle)
Prof. Walker's essay about his stunts. Boiling water and the leidenfrost effect
Website of his latest book ''Flying Circus of Physics''
Bed of Nails Demonstration
*
{{DEFAULTSORT:Walker, Jearl
1945 births
Living people
21st-century American physicists
Cleveland State University faculty
Massachusetts Institute of Technology School of Science alumni
University of Maryland, College Park alumni
American science communicators