Multiple choice

Who invented phototherapy?

  1. Maria Montessori

  2. N.R.Finsen

  3. Priestly

  4. None of these

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Niels Ryberg Finsen pioneered phototherapy in the 1890s, using light treatment for lupus vulgaris (skin tuberculosis) and other conditions. He received the 1903 Nobel Prize in Physiology for his work on light therapy. Finsen lamps were used worldwide for treating various skin diseases. Montessori developed educational methods, and Priestley discovered oxygen.