janssen

janssen

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• Pharmaceutical Company – Janssen Pharmaceuticals is a subsidiary of Johnson & Johnson, known for developing medicines in various fields, including immunology, oncology, and infectious diseases.


• Surname – "Janssen" is a common Dutch and Belgian surname, meaning "son of Jan."


• Astronomy – Janssen is the name of a lunar crater, named after Pierre Janssen, a French astronomer who discovered helium.


• Pierre Janssen (1824–1907) – A French astronomer known for his work in solar research and for discovering helium in the Sun’s spectrum.shop now

 

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