Knud Knudsen and Grandson (IMAGE) University of Stavanger Caption Sociologist Knud Knudsen devotes a lot of time both to his research and to his grandchildren. He has now studied grandparents in Europe and discovered that grandfathers become more involved with their grandchildren as they get older. Credit Photo: Asbjørn Jensen, The University of Stavanger Usage Restrictions This photo can be used for this press release only License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.