"JohanFrimann-Dahl (1902-1982) was a Norwegian Professor of Radiology and Head of the Roentgen Department from 1937-1972, at Ullevål Hospital, Oslo, Norway 2."
Line 3:161·Don't add words such as 'from' or 'between' to describe a range of numbers.
Biographical Lifespan
suggestion
"History and etymology"
Line 2:1·A bold element in the History and etymology section should be a person; it would be useful to have their lifespan details: '<h4>History and etymology</h4> <p><strong>Johan</strong> '