Purell was invented in 1988 to meet the needs of their customers – healthcare providers and restaurants who were looking for ways to reduce the spread of germs.
Ian Connerton is the Northern Foods Chair of Food Safety at the University of Nottingham. He is head of the Division of Food Sciences and leads the Food Microbiology and Safety Section. He has been involved in molecular biology research for more than 20 years.
Thomas Häusler is a science reporter with Swiss Public Radio and freelance science author. In his work he has covered a wide variety of topics, ranging from medicine to educational issues. His first article was about phage therapy in 2000. From 1999 until 2007 he was chief science editor of Facts.