Hi exchanger not decades about a century. But it is evolving.The...

Hi exchanger not decades about a century. But it is evolving.

The Finsen lamp became widely popular and was adopted in most of Europe and North America, earning Finsen the Nobel Prize in 1903. Finsen himself acknowledged the healing power of sunlight but erroneously assumed that his lamp took advantage of the UV spectrum of radiation. It is quite conceivable that his pioneering work spurred many in the healthcare industry to use sunlight to treat victims of the 1918 influenza pandemic and beyond