Robert Curl

Robert Curl was an American chemist who was awarded the Nobel Prize in Chemistry in 1996 for the co-discovery of fullerene molecules, a novel form of carbon. His collaborative work with Harold Kroto and Richard Smalley at Rice University in 1985 fundamentally altered the understanding of carbon allotropes and launched the field of nanotechnology. Curl spent his entire academic career at Rice University, where he was a dedicated researcher and professor emeritus.

Early life and education

Robert Curl was born in Alice, Texas, and developed an early interest in science, particularly chemistry. He pursued his undergraduate studies at Rice University, earning a Bachelor of Arts in 1954. For his doctoral work, he attended the University of California, Berkeley, where he studied under the renowned physical chemist Kenneth Pitzer, earning his Ph.D. in 1957. His thesis work involved pioneering research using microwave spectroscopy to investigate the structure of small molecules, laying a foundation for his future experimental expertise.

Discovery of fullerenes

The landmark discovery occurred in September 1985 when Curl, then a professor at Rice University, facilitated a collaboration between visiting British chemist Harold Kroto and his Rice colleague Richard Smalley. Using Smalley's apparatus, an AP2 laser-vaporization cluster beam instrument, the team vaporized graphite to simulate conditions in red giant stars. Their analysis revealed an unexpected, extremely stable cluster of 60 carbon atoms, which they deduced had a structure resembling a soccer ball, a truncated icosahedron. They named this new molecule Buckminsterfullerene after the architect Buckminster Fuller, for his geodesic dome designs. This discovery, published in the journal Nature, proved the existence of a third major form of solid carbon alongside diamond and graphite.

Academic career and research

Following his Ph.D., Curl joined the faculty of Rice University in 1958, where he remained for his entire career, eventually becoming the University Professor Emeritus and Professor of Chemistry Emeritus. His independent research program was primarily in the field of physical chemistry, focusing on spectroscopy and the detection of unstable chemical species. He made significant contributions to understanding free radicals and other transient molecules using techniques like Fourier-transform infrared spectroscopy. Beyond the fullerene breakthrough, he was a respected mentor and a key figure in the scientific community at Rice, contributing to the university's reputation in materials science and nanotechnology.

Awards and honors

For the discovery of fullerenes, Curl shared the 1996 Nobel Prize in Chemistry with Harold Kroto and Richard Smalley. His other major recognitions include the Carbon Medal from the American Carbon Society in 1992 and the prestigious Fellowship of the Royal Society in 1997. He was also elected a member of the National Academy of Sciences and a fellow of the American Academy of Arts and Sciences. Rice University honored his legacy by naming the Curl Hall residential college after him and his wife.

Personal life and legacy

Robert Curl was known for his modesty, collaborative spirit, and deep commitment to both his family and the academic mission of Rice University. He was married to Jonel Whipple Curl for over six decades. His legacy extends far beyond his Nobel Prize; the discovery of fullerenes opened entirely new avenues in nanotechnology, materials science, and medicine, leading to subsequent discoveries like carbon nanotubes and graphene. He passed away in Houston in 2022, remembered as a pivotal figure who helped usher in the modern age of nanoscale carbon research.

Category:American chemists Category:Nobel laureates in Chemistry Category:Rice University faculty Category:1933 births Category:2022 deaths