CHAU2506 This is a large 8" x 6" hand signed photo for Jonas Salk creator of one of the first Polio Vaccines. He has personally signed the souvenir where the signature rests perfectly accompanying his portrait - a very slight smudge but really small otherwise outstanding condition.
Jonas Edward Salk was an American virologist and medical researcher who developed one of the first successful polio vaccines. He was born in New York City and attended the City College of New York and New York University School of Medicine.