Pierre François Marie Auguste Dejean, Date of Birth, Place of Birth, Date of Death


Pierre François Marie Auguste Dejean

French entomologist

Date of Birth: 10-Aug-1780

Place of Birth: Amiens, Hauts-de-France, France

Date of Death: 17-Mar-1845

Profession: politician, military officer, entomologist

Nationality: France

Zodiac Sign: Leo

Show Famous Birthdays Today, France

👉 Worldwide Celebrity Birthdays Today

About Pierre François Marie Auguste Dejean

  • Pierre François Marie Auguste Dejean (10 August 1780 – 17 March 1845), was a French entomologist.
  • A soldier of fortune during the Napoleonic Wars, he rose to the rank of lieutenant general and aide de campe to Napoleon.
  • He amassed vast collections of Coleoptera, some even collected on the battlefield at Waterloo.
  • He listed 22,399 species in his cabinets in 1837—at the time, the greatest collection of Coleoptera in the world.
  • In 1802, he began publishing a catalogue of his vast collection, including 22,000 species names.
  • Dejean was an opponent of the Principle of Priority in nomenclature.
  • "I have made it a rule always to preserve the name most generally used , and not the oldest one; because it seems to me that general usage should always be followed and that it is harmful to change what has already been established".
  • Dejean acted accordingly and often introduced in litteris names, given by himself to replace those already published by other authors.
  • They became invalid.
  • Dejean was president of the Société entomologique de France for the year 1840.
  • In 1834, he was elected a foreign member of the Royal Swedish Academy of Sciences.
  • He died on 17 March 1845.

Read more at Wikipedia