Hagbard Jonassen, Date of Birth, Date of Death

Hagbard Jonassen

Danish scientist

Date of Birth: 24-May-1903

Date of Death: 01-Mar-1977

Profession: geologist, botanist

Nationality: Denmark

Zodiac Sign: Gemini

Hagbard Jonassen (24 May 1903 – 1 March 1977) was a Danish botanist, quaternary geologist, war resister and nuclear disarmament proponent.
He made a lasting impact on the interpretation of pollen diagrams, including the use of modern pollen deposition in moss polsters to aid interpretation and the consideration of pollen productivity in different types of vegetation.