Milton Glaser, groundbreaking I NY designer, dies aged 91

Glaser's bold logo, created for free in 1977, helped boost New York's image and he was also part of the team that founded New York magazine

Milton Glaser, the groundbreaking graphic designer who adorned Bob Dylan's silhouette with psychedelic hair and summed up the feelings for his native New York with I (HEART) NY," died Friday, on his 91st birthday.

The cause was a stroke and Glaser had also had renal failure, his wife, Shirley Glaser, told The New York Times.