
Chevalier Jackson
Chevalier Jackson: American laryngologist and endoscopy pioneer who advanced bronchoscopy, direct laryngoscopy, tracheotomy and foreign-body retrieval.

Chevalier Jackson: American laryngologist and endoscopy pioneer who advanced bronchoscopy, direct laryngoscopy, tracheotomy and foreign-body retrieval.

Sir Ivan Magill (1888-1986) Irish anaesthetist, pioneered endotracheal anaesthesia. Magill forceps, laryngoscope and curve.

Albert Henry Freiberg (1868-1940), American orthopaedic surgeon who described Freiberg infraction and helped advance orthopaedics and disability rehabilitation.

Benjamin Guy Babington (1794–1866) developed the glottiscope in 1829 and made pioneering contributions to epidemiology, blood chemistry and hereditary epistaxis.

George Kovacs: Canadian emergency physician, airway educator and AIME co-founder known for the Kovacs sign, cadaver training and airway guidelines.

Ernst Baumann (1890-1978). Swiss surgeon and traumatologist associated with the Baumann angle, elbow fracture care and the founding of the AO.

C. H. Joseph Chang (1929–2017), Korean-American radiologist known for Chang sign and pioneering work in mammography and dedicated breast CT imaging.

Fleischner sign: prominent central pulmonary artery enlargement in pulmonary embolism, with history, mechanism, imaging features and diagnostic relevance.

Ombrédanne–Armingeat syndrome: historical infant postoperative pallor–hyperthermia syndrome and relationship to malignant hyperthermia.

Tönnis classification for developmental hip dysplasia: radiographic grades, key landmarks, limitations, historical development and the IHDI system

Felix Fleischner (1893–1969), Austrian-American chest radiologist known for Fleischner sign, Fleischner lines and the Fleischner Society.

Fleischner lines: linear plate-like atelectatic opacities on chest radiograph, with historical origins, mechanism and association with pulmonary embolism.