Wilhelm Johannsen
Danish writer
Died when: 70 years 281 days (849 months)Star Sign: Aquarius
Wilhelm Johannsen (3 February 1857 – 11 November 1927) 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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