[{WikipediaArticle oldid='254006768'}] %%information %%(font-size: 80%;) !!!License Information of Images on page ||Image Description||Credit||Artist||License Name||File | emperor Franz Stephan (sitting) together with his natural science advisors. From left to right: Gerard van Swieten , Johann Ritter von Baillou , Valentin Jamerai Duval (numismatist) and Abbé Johann Marcy| Eigenes Werk , El bes , 26. Oktober 2008| Franz Messmer (portraits) und Jakob Kohl (background)| [{Image src='https://www.austria-forum.org/cc/images/slim/by-sa.png' alt='CC BY-SA 3.0' align='center' link='https://www.austria-forum.org/cc/by-sa-30.html' target='_blank'}]| Datei:Johann Ritter von Baillou.jpg %% %%