My name is Peter Corrigan and I have been a photographer for over 40 years. I began photographing artists at concerts in 1969, the first being B.B. King at a club called the Aerodrome in Schenectady, NY. As the 1970???s dawned I became a serious fan of the Grateful Dead and proceeded to photograph them in concert at numerous East coast venues, one being their historic appearance at the University of Rochester on November 20, 1970, where Jorma Kaukonen showed up after an appearance across town by the Jefferson Airplane, and jammed into the wee hours with the Dead. I was also at two Manhattan Center shows in New York City in April of 1971 (songs from this venue are included on their memorable live Skull and Roses or Skullf**k album as it is known) and have some stage side shots from those sh