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John Howard

Dr. John Howard "Jack" Yardley

Dr. John Howard "Jack" Yardley

Dr. John Howard "Jack" Yardley, former director of pathology at the Johns Hopkins University School of Medicine, who had also been associate dean for academic affairs, died Dec. 7 of a stroke at Gilchrist Hospice Care in Towson. The longtime Roland Park resident was 85. "For more than 50 years, John devoted his energies to research, patient care and teaching," Dr. Edward D. Miller, dean of the medical faculty and CEO of Johns Hopkins Medicine, wrote in an email to his medical school colleagues. "One of the founding fathers of the field of gastrointestinal pathology, he made groundbreaking observations on Whipple's disease of the gastrointestinal tract and...