Robert Sinclair Dietz (September 14, 1914 – May 19, 1995) was a scientist with the
US Coast and Geodetic Survey
The National Geodetic Survey (NGS) is a United States federal agency that defines and manages a national coordinate system, providing the foundation for transportation and communication; mapping and charting; and a large number of applications ...
. Dietz, born in
Westfield, New Jersey
Westfield is a Town (New Jersey), town in Union County, New Jersey, Union County, New Jersey, United States, located southwest of Manhattan. As of the 2010 United States census, the town's population was 30,316, was a
marine geologist
Marine geology or geological oceanography is the study of the history and structure of the ocean floor. It involves geophysical, geochemical, sedimentological and paleontological investigations of the ocean floor and coastal zone. Marine geology ...
,
geophysicist
Geophysics () is a subject of natural science concerned with the physical processes and physical properties of the Earth and its surrounding space environment, and the use of quantitative methods for their analysis. The term ''geophysics'' som ...
and
oceanographer
Oceanography (), also known as oceanology and ocean science, is the scientific study of the oceans. It is an Earth science, which covers a wide range of topics, including ecosystem dynamics; ocean currents, waves, and geophysical fluid dynamic ...
who conducted pioneering research along with
Harry Hammond Hess
Harry Hammond Hess (May 24, 1906 – August 25, 1969) was an American geologist and a United States Navy officer in World War II who is considered one of the "founding fathers" of the unifying theory of plate tectonics. He is best known for his th ...
concerning
seafloor spreading
Seafloor spreading or Seafloor spread is a process that occurs at mid-ocean ridges, where new oceanic crust is formed through volcanic activity and then gradually moves away from the ridge.
History of study
Earlier theories by Alfred Wegener a ...
, published as early as 1960–1961. While at the
Scripps Institution of Oceanography
The Scripps Institution of Oceanography (sometimes referred to as SIO, Scripps Oceanography, or Scripps) in San Diego, California, US founded in 1903, is one of the oldest and largest centers for ocean and Earth science research, public servi ...
Hawaiian Island
The Hawaiian Islands ( haw, Nā Mokupuni o Hawai‘i) are an archipelago of eight major islands, several atolls, and numerous smaller islets in the North Pacific Ocean, extending some from the island of Hawaii in the south to northernmost Ku ...
– Midway chain and speculated over lunch with Robert Fisher in 1953 that something must be carrying these old volcanic mountains northward like a conveyor belt.
Early life and education
Born and raised in
Westfield, New Jersey
Westfield is a Town (New Jersey), town in Union County, New Jersey, Union County, New Jersey, United States, located southwest of Manhattan. As of the 2010 United States census, the town's population was 30,316,Westfield High School.
Career
In later work he became interested in
meteorite
A meteorite is a solid piece of debris from an object, such as a comet, asteroid, or meteoroid, that originates in outer space and survives its passage through the atmosphere to reach the surface of a planet or moon. When the original object ...
Sudbury Basin
The Sudbury Basin (), also known as Sudbury Structure or the Sudbury Nickel Irruptive, is a major geological structure in Ontario, Canada. It is the third-largest known impact crater or astrobleme on Earth, as well as one of the oldest. The ...
as an ancient
impact event
An impact event is a collision between astronomical objects causing measurable effects. Impact events have physical consequences and have been found to regularly occur in planetary systems, though the most frequent involve asteroids, comets or ...
, and discovered a number of other impact craters. He championed the use of
shatter cone
Shatter cones are rare geological features that are only known to form in the bedrock beneath meteorite impact craters or underground nuclear explosions. They are evidence that the rock has been subjected to a shock with pressures in the rang ...
s as evidence for ancient impact structures. He received the Walter H. Bucher Medal from the
American Geophysical Union
The American Geophysical Union (AGU) is a 501(c)(3) nonprofit organization of Earth, atmospheric, ocean, hydrologic, space, and planetary scientists and enthusiasts that according to their website includes 130,000 people (not members). AGU's ...
in 1971, the
Barringer Medal
The Barringer Medal recognizes outstanding work in the field of impact cratering and/or work that has led to a better understanding of impact phenomena. The Barringer Medal and Award were established to honor the memory of D. Moreau Barringer Sr. ...
from the
Meteoritical Society
The Meteoritical Society is a non-profit scholarly organization founded in 1933 to promote research and education in planetary science with emphasis on studies of meteorites and other extraterrestrial materials that further our understanding of the ...
in 1985 and the
Penrose Medal
The Penrose Medal was created in 1925 by R.A.F. Penrose, Jr., as the top prize awarded by the Geological Society of America. Originally created as the Geological Society of America Medal it was soon renamed the Penrose Medal by popular assent of t ...
from the
Geological Society of America
The Geological Society of America (GSA) is a nonprofit organization dedicated to the advancement of the geosciences.
History
The society was founded in Ithaca, New York, in 1888 by Alexander Winchell, John J. Stevenson, Charles H. Hitch ...
in 1988.
Dietz was an outspoken critic of
creationism
Creationism is the religious belief that nature, and aspects such as the universe, Earth, life, and humans, originated with supernatural acts of divine creation. Gunn 2004, p. 9, "The ''Concise Oxford Dictionary'' says that creationism is 't ...
, and was the faculty advisor of two student groups at
Arizona State University
Arizona State University (Arizona State or ASU) is a public research university in the Phoenix metropolitan area. Founded in 1885 by the 13th Arizona Territorial Legislature, ASU is one of the largest public universities by enrollment in the ...
in 1985, Americans Promoting Evolution Science (APES) and the Phoenix Skeptics. Dietz spoke on evolution and creationism at meetings of these groups, and debated creationist Walter Brown and
Christian apologist
Christian apologetics ( grc, ἀπολογία, "verbal defense, speech in defense") is a branch of Christian theology that defends Christianity.
Christian apologetics has taken many forms over the centuries, starting with Paul the Apostle in ...
William Lane Craig
William Lane Craig (born August 23, 1949) is an American analytic philosopher, Christian apologist, author and Wesleyan theologian who upholds the view of Molinism and neo-Apollinarianism. He is Professor of Philosophy at Houston Baptist ...
at Arizona State University.
Death
Dietz died in
Tempe, Arizona
, settlement_type = City
, named_for = Vale of Tempe
, image_skyline = Tempeskyline3.jpg
, imagesize = 260px
, image_caption = Tempe skyline as se ...
The ASU School of Earth and Space Exploration sponsors annual Robert S. Dietz Memorial Public Lectures, which have been given by:
*2006
National Center for Science Education
The National Center for Science Education (NCSE) is a not-for-profit membership organization in the United States whose stated mission is to educate the press and the public on the scientific and educational aspects of controversies surrounding ...
Executive Director
Eugenie Scott
Eugenie Carol Scott (born October 24, 1945) is an American physical anthropologist, a former university professor and educator who has been active in opposing the teaching of young Earth creationism and intelligent design in schools. She coined t ...
*2007 NASA Astronaut John M. Grumsfeld
*2011 John Grotzinger, Caltech