Maria Daria Haust OC FRCPC (née Jaworska; August 18, 1921 – January 11, 2022) was a Polish-Canadian pathologist, medical researcher, and pioneer of the speciality paediatric pathology.
[1] After completing her internship, she stayed at home to take care of the Haust's two infant boys, William and Jan, both of whom were born at Kingston General Hospital.
[1] In 1959 she obtained an MSc (Med) degree from Queen's University[4] and in November of that year she qualified as a specialist in General Pathology in the Royal College of Physicians and Surgeons of Canada.
[8] She held a postdoctoral fellowship in paediatric pathology under the supervision of Benjamin Harrison Landing (1920–2000) at the Cincinnati Children's Hospital.
[6] In May 2002, Haust returned for six weeks to the department of pathology of Queen's University of Kingston to continue her work on departmental history, archives, and editorial matters.
[12] She garnered an international reputation from numerous invited lectures, service on the editorial board of 10 scientific journals, and the authorship or co-authorship of more than 200 publications,[6] She did important basic research in several areas including atherosclerosis, elastogenesis, and the pathogenesis of several genetic diseases.
[1] According to the French pathologist Christian Nezelof, Under her influence, pediatric pathology became a discipline in its own right and became recognized as such in many foreign countries where it had hitherto been neglected or even ignored.