20 years Chair Professorships for Image Science. More than 350 lectures and keynotes worldwide, including Olympic Games culture program and G-20 Summit.
Grau's “Virtual Art. From Illusion to Immersion”, MIT Press 2003 (Book of the Month, Scientific American) is with 2600+ citations internationally the most quoted art history monography of recent decades (H-Index), it received 90+ reviews. It offered for the first historic evolution in image-viewer theory of immersion and a systematic analysis of the triad of artist, artwork and beholder in digital art.
He has received several awards and his publications are translated in 15 languages. His main research is in histories of media art, immersive images, art and emotion, the history of telepresence, artificial life and digital humanities. His work has been featured in numerous international publications including Frankfurter Allgemeine, Tagesspiegel, ORF, Wired, Scientific American, NZZ, Süddeutsche Zeitung, Standard, Nature, DIE ZEIT, Süddeutscher Rundfunk, SFB, Berliner Zeitung, Stuttgarter Zeitung, Deutschlandfunk, Wall Street Journal, European Photography, Museums Journal, Svenska Dagbladet, Syrian Arab News, Estado de Sao Paulo, ...
Grau is a founder of the field of MediaArtHistories and founding director of its Conference Series: Banff 2005, Berlin07, Melbourne09, Liverpool11, Riga13, Montreal15, Krems/Vienna17, Aalborg19, Venice23. The volume MediaArtHistories, MIT Press 2007, received 50+ international reviews. "Imagery in the 21st Century", MIT-Press 2011 opened the field of Image Science. Recently: Museum and Archive on the Move (2017), Digital Art under the Looking Glas (2019) and Retracing Political Dimensions (2021)
He conceived new Digital Humanities tools for image science and directed the project "Immersive Art" of the German Research Foundation (DFG) developing the first international Archive for Digital Art (ADA, since 1998) recently funded by FWF and bmbwf with 1,1 Mio Euro. Since 2005 Grau was also head of the of the Goettweig Graphic Print Online-Collection, Austria's largest private collection with 30.000 works, from Duerer to Klimt.
Grau developed new international curricula: MediaArtHistories MA, Image Science, Digital Collection Management, the EU supports the MediaArtsCultures Program with 5.5 Mio. Euro. 2000 Grau was elected into the Young Academy of the BBAW & Leopoldina, 2015 he was elected into the Academia Europaea, 2014 he received a doctor h.c., in 2016 a symposium in honor of his research was held in Tel Aviv and 2019 he received the Science Award of L. Austria.