We gratefully remember the faculty members who enriched our community, shaped its growth, and left a legacy that continues to inspire us in meaningful ways.
Darren Postoak, MD
Dr. Darren Wayne Postoak, Assistant Professor of Vascular and Interventional Radiology, of Gainesville, Florida, passed away on November 2, 2025, at the age of 62.
For more than 30 years, Dr. Postoak cared for his patients with compassion and excellence. He trained more than 75 fellows and hundreds of residents, earning a reputation as a demanding yet generous teacher whose calm presence and grace under pressure were widely admired. His contributions to interventional radiology—as both a clinician and educator—were significant and enduring.
William A Cumming, MD (Emeritus Professor)
Dr. William “Bill” Alison Cumming passed away on July 29, 2025, in Gainesville, FL, at the age of 92. He was born on November 11, 1932, in Islip, Long Island, NY, to Canadian parents and later moved to Toronto in early childhood, where he spent most of his formative years.
Dr. Cumming was a pioneering pediatric radiologist who trained at the University of Toronto and began his career at SickKids, where he helped advance early imaging techniques for children. In 1981, he accepted a position in pediatric radiology at King Faisal Specialist Hospital in Riyadh, Saudi Arabia, where he treated rare and advanced pediatric conditions seldom seen in North America.
In 1985, he joined the medical faculty at the University of Florida’s Shands Hospital, where his research on the non-surgical treatment of intussusception and rare congenital conditions left a lasting mark on the field. He retired as Professor Emeritus in 2015.
Katherine Scott, PhD (Emeritus Professor)
Katherine “Kate” Nasfay Scott, PhD, longtime faculty member in the University of Florida Department of Radiology, died on January 16, 2023 at the age of 91, in Gainesville, Florida.
Born in Budapest, Hungary, in 1932, Dr. Scott immigrated to the United States after World War II and settled in Philadelphia. She earned her bachelor’s degree in chemistry from Radcliffe College, taking advanced chemistry courses at Harvard at a time when few women were permitted. After moving to Gainesville in 1958, she completed her master’s, doctorate, and post-doctoral training in chemistry at the University of Florida.
Dr. Scott became an assistant professor in the UF Department of Radiology with a joint appointment at the Veterans Affairs Medical Center. She was a pioneering researcher in the early medical applications of magnetic resonance imaging and spectroscopy, with important contributions to the study of metabolism, vascular disease, and the effects of chemotherapy on cancer. She balanced a distinguished scientific career with raising a family, an uncommon achievement in her era.
Dr. Scott will be remembered as an innovative scientist, dedicated educator, and valued member of the UF Radiology community.
James G. Caridi, MD
Dr. James G. Caridi, former Professor of Vascular and Interventional Radiology at the University of Florida, passed away on November 23, 2021, at the age of 68.
Dr. Caridi returned to UF in 1983 as a Fellow in Vascular and Interventional Radiology, where he trained under Irwin “Dick” Hawkins, MD, one of the founders of modern interventional radiology. He embraced and carried forward that pioneering legacy throughout his career.
In 1996, he became Chief of the Division of Vascular and Interventional Radiology, a position he held with distinction until 2012. During his 16-year tenure, he advanced innovation in the field through his research, editorial leadership, and collaborations with medical device innovators, helping shape the growth and direction of the VIR subspecialty.
His joint appointments in the Departments of Surgery and Pediatrics reflected his commitment to interdisciplinary care for patients requiring complex image-guided procedures. Dr. Caridi’s leadership, mentorship, and dedication left a lasting impact on the department and the wider interventional radiology community.
Libby Brateman, PhD (Emeritus Professor)
Dr. Libby Brateman, Emeritus Professor of Radiology (Medical Physics), passed away on May 5, 2018.
Dr. Brateman was the first Diagnostic Medical Physicist to join the department in the 1980s and played a formative role in shaping the growth of medical physics at UF. She trained many of the physicists who later joined the division and was instrumental in establishing the Diagnostic Imaging Medical Physics Residency (DIMPR) program, serving as its founding director.
Her commitment to excellence in clinical physics and education left a lasting impact on the department. Through her generous endowment of the DIMPR program, she ensured ongoing support for resident research and professional development. Her legacy of leadership, mentorship, and dedication to advancing medical physics will guide and inspire future generations.
Juri Vello Kaude, MD, PhD (Emeritus Professor)
Dr. Juri Vello Kaude, Emeritus Professor of Radiology at the University of Florida, passed away peacefully on January 1, 2013, at the age of 91.
A highly respected member of the UF Radiology faculty, he made significant contributions to clinical practice, education, and research over the course of his career. His academic work also took him to Lund University Hospital in Sweden, and he remained active internationally through Project Hope in Jamaica and Guatemala. Admired for his professionalism, generosity, and warm presence, he left a lasting impact on colleagues and trainees.
In his honor, the UF College of Medicine established the Juri V. Kaude, MD, PhD Medical Student Research Award in Radiology, which recognizes a senior student pursuing a career in radiology who has distinguished themselves through exceptional research in the field.
Irvin (Dick) Hawkins, MD (Emeritus Professor)
Dr. Irvin Franklin “Dick” Hawkins, one of the University of Florida’s most distinguished physicians and an Emeritus Professor of Radiology and Surgery for nearly 50 years, passed away on June 8, 2011 at the age of 74.
Dr. Hawkins was internationally recognized as a pioneer in interventional radiology, earning numerous awards for his groundbreaking contributions to minimally invasive radiologic and cardiovascular procedures. His work not only advanced the field scientifically but also brought significant improvements to patient comfort and safety.
He is best known for pioneering the use of carbon dioxide as a contrast agent for vascular imaging, an innovation that remains widely used due to its safety and effectiveness. He also made transformative contributions to needle and catheter design, demonstrating that smaller instruments could reduce complications and expand access to minimally invasive treatments—advances that helped shape modern interventional cardiology and neuroradiology.
Dr. Hawkins’ legacy of innovation, clinical excellence, and dedication to patient care continues to influence and inspire the field of interventional radiology worldwide.
Owen Frank Agee, MD (Emeritus Professor)
Dr. Owen Frank Agee, Professor of Radiology, passed away on January 23, 2009, at the age of 76.
Dr. Agee was a distinguished radiologist, educator, and devoted physician who dedicated more than four decades of service to the University of Florida and Shands Hospital in Gainesville. Born in Johnsonville, Tennessee, and raised in Shreveport, Louisiana, he completed his early education there before earning his medical degree from Louisiana State University. He began his academic career at the University of Florida in the early 1960s, where he would go on to shape the practice and teaching of radiology for generations.
Throughout his career, Dr. Agee made significant contributions to neuroradiology, vascular imaging, and the early development of CT and MRI. He was widely respected for his clinical expertise, scholarly work, and interdisciplinary collaborations with neurosurgery, oncology, and other medical specialties. As a professor and mentor, he played a vital role in the education and training of countless residents, fellows, and medical students, leaving a lasting impact on UF Radiology and on the many physicians he guided.
Beyond his professional achievements, Dr. Agee was known for his dedication, integrity, and quiet leadership. He is remembered not only for his excellence in medicine, but also for his unwavering commitment to teaching, service, and compassionate patient care.
Edward Staab, MD (Emeritus Professor)
The University of Florida Department of Radiology honors the life and legacy of Dr. Edward Vincent Staab, a distinguished physician, scientist, educator, and leader in academic radiology, who passed away on November 1, 2008, at the age of 72.
Dr. Staab served with distinction as Chair and Chief of Radiology at the University of Florida, where his vision and leadership helped shape the department’s growth, academic excellence, and national reputation. Over the course of his career, he also held senior leadership roles at the NIH/NCI.
Nationally, Dr. Staab was recognized as one of the Best Doctors in America, named among the Top 20 Most Influential People in Radiology, and awarded multiple Hartman Gold Medals for his contributions to the field. He was respected not only for his scientific achievements but also for his humility, generosity, and unwavering commitment to education and patient care.
Raymond Andrew, PhD (Emeritus Professor)
Dr. Raymond Andrew, PhD was born on June 27, 1921, in Boston, Lincolnshire, England, and passed away on May 27, 2001 at the age of 80. He served as a Graduate Research Professor with joint appointments in Physics, Radiology, and Nuclear Engineering at the University of Florida.
Dr. Andrew was an internationally recognized pioneer in nuclear magnetic resonance (NMR). Before joining UF, he made foundational contributions to the field, including the development of magic-angle spinning, a transformative innovation that revolutionized solid-state NMR and modern chemical analysis.
After arriving at the University of Florida in 1983, he played a pivotal role in expanding high-field MRI research and helped shape the scientific vision that later led to the establishment of the National High Magnetic Field Laboratory in Florida. His work at UF spanned whole-body MRI, high-field systems, and MRI microscopy, and he was widely admired for his ability to bridge fundamental physics with medical imaging. His leadership, scholarship, and mentorship left a lasting impact on the department and the global magnetic resonance community.
Clyde Williams, MD, PhD (Emeritus Professor)
The University of Florida Department of Radiology remembers Dr. Clyde Mikhail Williams, who died on July 31, 1995. He was born on October 8, 1928, in Marlow, Oklahoma, and raised in Houston, Texas.
Dr. Williams earned his BA from Rice University in 1948, his MD from Baylor University in 1952, and, as a Rhodes Scholar, his PhD from Oxford University in 1954. His academic interests centered on physiology, radiation biology, and diagnostic radiology. After serving as Technical Director of the radioisotope laboratory at the VA Hospital in Pittsburgh, he entered the University of Florida radiology residency in 1960, completing training in 1963.
He advanced rapidly through the academic ranks at UF and was appointed Professor and Chairman of Radiology in 1965, a position he held until 1986. He later served as Chief of Nuclear Medicine at the Gainesville VA Medical Center until his retirement in 1991. His international contributions included advanced angiography training at the University of Lund, Sweden, influential research on pheochromocytoma, and support of radiology training programs in Jamaica and Guatemala through Project HOPE.
Dr. Williams was a respected scientist, educator, and leader whose legacy continues through the many physicians he mentored. He is remembered as a just, caring chairman and colleague who shaped UF Radiology during a critical period of growth.