John Henson is also survived by his wife , Gyongyi , and his siblings Lisa , Cheryl , Brian and Heather . John Henson dies at home at the age of 48 , the Jim Henson Company announces . He suffered a `` sudden , massive heart attack , '' according to the company . '" The cause is unknown and he was taken off life support shortly after his death on Friday morning in Los Angeles, said Michael Jackson, president of the Jim Henson's Creature Shop Inc. His father helped develop `` The Muppets , '' `` Fraggle Rock '' and `` Sesame Street ''
John Henson dies at home at the age of 48 , the Jim Henson Company announces . He suffered a `` sudden , massive heart attack , '' according to the company . '" The cause is unknown and he was taken off life support shortly after his death on Friday morning in Los Angeles, said Michael Jackson, president of the Jim Henson's Creature Shop Inc. His father helped develop `` The Muppets , '' `` Fraggle Rock '' and `` Sesame Street ''