What is Jan Křen?
[[File:Jan-Křen-(2014).jpg|right|200px]] '''Jan Křen''' (22 August 1930 – 7 April 2020) was a Czech [[historian]], academic, and dissident. He was born in [[Prague]]. During [[Czechoslovakia]]'s [[Czechoslovak Socialist Republic|communist era]] he became a political dissident. His works focused in the study of [[Czech Republic–Germany relations|Czech-German relations]].<ref name=rp>{{cite news |first=Ian |last=Willoughby |title=Historian Jan Křen dies at 89 after contracting coronavirus |url=https://www.radio.cz/en/section/news/historian-jan-kren-dies-at-89-after-contracting-coronavirus |work=[[Radio Prague]] |date=2020-04-08 |access-date=2020-04-10 |archive-url=https://web.archive.org/web/20200409222157/https://www.radio.cz/en/section/news/historian-jan-kren-dies-at-89-after-contracting-coronavirus |archive-date=2020-04-09 |url-status=live}}</ref><ref name=ir>{{cite news |title=Zemřel historik Jan Křen. S nemocí covid-19 se léčil v Nemocnici Na Bulovce |url=https://www.irozhlas.cz/veda-technologie/veda/jan-kren-zemrel-historik_2004071856_cen |work={{ill|iROZHLAS|cs}} |date=2020-04-07 |access-date=2020-04-10 |archive-url=https://web.archive.org/web/20200407210307/https://www.irozhlas.cz/veda-technologie/veda/jan-kren-zemrel-historik_2004071856_cen |archive-date=2020-04-07 |url-status=live|language=cs}}</ref><ref name=denik>{{cite news |title=Zemřel historik Jan Křen, zaměřoval se na česko-německé vztahy |url=https://www.denik.cz/z_domova/zemrel-historik-jan-kren-20200407.html |work=[[Denik]] |date=2020-04-07 |access-date=2020-04-10 |archive-url=https://web.archive.org/web/20200409235835/https://www.denik.cz/z_domova/zemrel-historik-jan-kren-20200407.html |archive-date=2020-04-09 |url-status=live|language=cs}}</ref> He was one of the signers of [[Charter 77]]. In 1989, Křen founded the Institute of International Studies at [[Charles University]]. In March 2020 during the [[2020 coronavirus pandemic|coronavirus pandemic]], Křen was infected with [[COVID-19]].<ref name=rp/> He died from the infection on 7 April 20