"Johann Alois Senefelder (6 November 1771 – 26 February 1834) was a German actor and playwright who invented the printing technique of lithography in the 1790s." - (en.wikipedia.org 08.11.2019)
en
(The left column lists the relations of this actor to objects in the right column. In the middle you find other actors in relation to the same objects.)
)