Short answers, pulled from the story.
Marburg is a university town in Hesse known for the University of Marburg, founded in 1527 as the oldest still-existing university in the world established by Protestants. It is also a historic center of Germany's pharmaceutical industry, home today to a BioNTech plant that manufactures COVID-19 vaccines.
Elizabeth of Hungary was a widowed princess-landgravine who chose Marburg as her dowager seat in 1228 and devoted her remaining years to caring for the sick. She died in 1231 at age 24 and was canonized in 1235.
The Marburg virus is a filovirus that causes a viral hemorrhagic fever resembling Ebola, first recognized during a 1967 outbreak in the city. Workers at the Behring-Werke plant were accidentally exposed to infected green monkey tissue, infecting 31 people and killing seven, and the virus was named after Marburg following the custom of naming viruses after the location of their first recorded outbreak.
The University of Marburg was founded in 1527. In 1529, Philipp I of Hesse arranged the Marburg Colloquy there, bringing together reformers Martin Luther and Huldrych Zwingli in an attempt to reconcile their differences.
The Brothers Grimm belonged to a Romantic-era circle of writers and thinkers who lived, taught, or studied in Marburg, and they collected many of their fairy tales in the town. Painter Otto Ubbelohde, who lived in and near Marburg, later created the best-known illustrations for the Grimms' fairy tale editions, and the building that inspired his drawing of Rapunzel's Tower still stands in nearby Amönau.
Marburg suffered far less damage in World War II than its neighbors Giessen, Siegen, and Frankfurt, since it was not seen as a target of opportunity and lacked major industrial sites. It was still bombed 13 times, mainly by the United States Army Air Forces, and from 1942 to 1945 the entire city was turned into a hospital that held more than 20,000 patients by the spring of 1945.