This week, Christina tells the story of Albert the Great, one of the most important scholars of the middle ages and a Doctor of the Catholic Church.

Sources:

https://ebrary.net/4390/philosophy/the_fathers_of_the_church

https://suburbanbanshee.wordpress.com/st-albert-the-greats-complete-works-volumes-available-online/

https://www.catholicscientists.org/catholic-scientists-of-the-past/albert-great

https://sciencemeetsfaith.wordpress.com/2018/12/08/albertus-magnus-as-scientist/

https://www.lindahall.org/about/news/scientist-of-the-day/albertus-magnus

https://www.dom.edu/about-st-albertus-magnus

https://micro.magnet.fsu.edu/optics/timeline/people/magnus.html

https://web.archive.org/web/20070606143630/http://www.farlang.com/gemstones/magnus-virtue-stones/page_002

https://www.gutenberg.org/ebooks/36402

Wikipedia:

     Albert the great

     Minsterials

     University of Padua

     University of Paris