David Cuartielles is a MSC Telecommunications engineer and one of the co-founders of the open source platform Arduino . Currently, he leads the Prototyping Laboratory at K3 at Malmö University’s School of Arts and Communication.
See also his personal page from the Malmö University http://www.nav.mah.se/person/id/K3DACU and his blog at http://david.cuartielles.com/
Albrecht Schmidt is a professor of Human-Computer Interaction at University of Stuttgart. His primary research interest is Human-Computer Interaction beyond the desktop. Schmidt received his PhD in Computer Science from Lancaster University in the UK.
See also his personal page from the University of Stuttgart http://www.vis.uni-stuttgart.de/en/institute/people/prof-dr-albrecht-schmidt.html and his blog at http://albrecht-schmidt.blogspot.com.es