Kendrew's original model of the myoglobin molecule, 1957.

The original model of the myoglobin molecule, (the first ever to be made of protein molecule) constructed in plasticine in 1957 by Dr. J.C. (later Sir John) Kendrew; the contorted cylindrical shape, showing the track of polypeptide chain, is supported by wooden rods protruding from a pegboard base; an attached label reads Medical Research/ Laboratory of Molecular Biology/Cambridge"; dimensions of base 18" x 1 1/2"; overall height 8 1/2""