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S. James Gates
Panel- Increasing Minority Participation in the Energy Sector (10670809815) (cropped).jpg
Born
Sylvester James Gates Jr.

(1950-12-15) December 15, 1950 (age 74)
Alma mater Massachusetts Institute of Technology (BS, BS, PhD)
Known for
  • Superspace
  • Supersymmetry nonrenormalization theorems
  • Superconformal algebra
  • Bihermitian manifolds
  • Adinkra symbols
Awards
Scientific career
Fields
Institutions
Doctoral advisor James E. Young

Sylvester James Gates Jr. (born December 15, 1950), often called S. James Gates Jr. or Jim Gates, is an American theoretical physicist. He studies big ideas like supersymmetry, supergravity, and superstring theory. These are all about how the universe works at its most basic level.

Currently, he is a special professor of Physics at the University of Maryland, College Park. He also helps lead science programs there. Before this, he was a director at Brown University's Theoretical Physics Center. He even advised former president Barack Obama on science and technology.

Early Life and School

Jim Gates was the oldest of four children. He was born in Tampa, Florida. His father, Sylvester James Gates Sr., was in the U.S. Army. His mother, Charlie Engels Gates, sadly passed away when he was 11. His father raised the children while serving in the Army. He became a sergeant major, which was a very high rank for an African American at that time.

Even though his parents did not go to college, they really wanted their children to get a good education. Jim's family moved many times. In 1963, they settled in Orlando, Florida. There, Jim went to Jones High School. This was his first time in a segregated African-American school. He quickly realized that his school had fewer resources than white schools nearby.

However, a physics class in 11th grade sparked his interest in the subject. He especially loved the math side of physics. His father encouraged him to apply to the MIT.

Gates earned two bachelor's degrees from MIT in 1973. He studied both mathematics and physics. He then earned his Ph.D. from MIT in 1977. His Ph.D. research was the first at MIT to focus on supersymmetry. Later, he helped write the first complete book about supersymmetry.

Career Highlights

Jim Gates has been teaching almost every year since 1972. After finishing at MIT in 1977, he became a Junior Fellow at Harvard. He was the first Black scientist to get this position. He then worked at Caltech until 1982. He was also the first Black postdoctoral researcher in Caltech's physics, math, and astronomy division.

In 1982, he returned to MIT as a physics professor. Two years later, he moved to the University of Maryland (UMD). By 1988, he became a full professor there. He was the first African American to hold such an important teaching position at a major American research university.

In the early 1990s, Gates took a break from UMD. He became the head of the physics department at Howard University. While there, he helped create a new research center. This center studied Earth's atmosphere and space.

Gates returned to UMD in 1993 and stayed until 2017. He then joined Brown University as the Director of the Brown Theoretical Physics Center. In 2022, he came back to the University of Maryland. He is now the John S. Toll Professor of Physics.

Gates Lectures
S. James Gates lectures from a chalkboard.

Gates is also involved in sharing science with others. He serves on the board of trustees for the Society for Science & the Public. He was also a special visiting scholar at MIT. His current research looks at Adinkra symbols. These are special diagrams that help understand supersymmetry.

In 2018, Gates was chosen to be part of the leadership of the American Physical Society. He served as its vice president, president, and past president in the following years. He also used to be the president of the National Society of Black Physicists.

Understanding His Research

Jim Gates's research has been very important for understanding supersymmetry. This is a theory that suggests every particle we know has a "superpartner." His work helps us understand how these theories connect to the geometry of space.

Supersymmetric Sigma Models

In the 1980s, Gates helped introduce something called the "twisted chiral multiplet." This idea helps scientists describe how particles move in a special kind of space. It showed that supersymmetric theories can work on more complex shapes than previously thought.

Generalized Geometry

Gates's research showed that certain supersymmetric models naturally have two ways of looking at their geometric structure. This idea is similar to "Generalized Kahler Geometry." His work also showed how theories in higher dimensions can be simplified to lower dimensions. This helps connect different areas of physics.

Duality and String Theory

A big part of Gates's work is about "duality." This means that two different-looking theories can actually be the same. He showed that certain particle descriptions are "dual" to each other. This is similar to T-duality in string theory. String theory suggests that tiny vibrating strings make up all particles. Gates's ideas have helped scientists understand how string theory works in complex situations.

Discoveries He Hopes to See

Jim Gates has a "bucket list" of scientific discoveries he hopes to see in his lifetime. As of 2025, here are some of them:

  • The Higgs boson was found in 2013. This particle helps explain why other particles have mass.
  • The first observation of gravitational waves happened in 2015. These are ripples in space-time caused by huge cosmic events.
  • Evidence of superpartners (not yet found). These are the theoretical partners to known particles in supersymmetry.
  • Evidence of string theory (not yet found). This theory tries to explain everything in the universe.
  • Classical models that show quantum behavior (not yet found). This would help connect the world we see with the strange world of tiny particles.

Awards and Special Recognition

Gates has received many awards for his work.

He was also chosen as one of the "Nifty Fifty" Speakers for the USA Science and Engineering Festival. He spoke to middle and high school students about his work.

Media Appearances

Jim Gates has appeared in commercials and on TV shows. He has been on NOVA PBS programs about physics, like The Elegant Universe (2003). He also created a DVD series called Superstring Theory: The DNA of Reality. This series has 24 lectures that explain complex ideas about the universe in a way that everyone can understand.

In 2008, he narrated a ballet called "The Elegant Universe" at the World Science Festival. He also appeared on the 2011 Isaac Asimov Memorial Debate: The Theory of Everything, hosted by Neil DeGrasse Tyson. Gates was also in the BBC Horizon documentary The Hunt for Higgs in 2012. He was also in the NOVA documentary Big Bang Machine in 2015.

See also

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