Thomas Schoenberger
Comet of the Exodus?

http://www.thomasschoenberger.com/blog/comet-of-the-exodus/

One of their areas of study was a leprosy outbreak that happened in 1495. The same occurrence happened in other areas of Europe you need to look into the plague of 1494 and 1495. It wiped out half of Denmark ludovico the Duke of Milan sent DaVinci to Hungary in May of 1495

Leonardo was a War engineer he saw one third of the Milan population Parish in the same Contagion

It also hit Portugal and Spain and an England there was a sweating sickness the first-of-its-kind. So the German scientists were discussing earlier contagions. They're connected to a comet that appeared in the sky in 1491. Did you know that DaVinci was The Wedding Planner for the Duke's wedding in 1491 the same year of the comet the Duke was overthrown by the French in 1499 and DaVinci escaped from a lawn and ended up in Venice offering to weaponize the water against their enemy in another area