Wilhelm Johannsen
Danish writer
Born on: February 3, 1857Died on: November 11, 1927
Aged: 70 years 281 days (849 months)
Nationality: Danish
Birth Sign: Aquarius
Wilhelm Johannsen was a Danish pharmacist, botanist, plant physiologist, and geneticist. He is best known for coining the terms gene, phenotype and genotype, and for his 1903 "pure line" experiments in genetics.
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