New Zealand-born physicist and chemist (1871–1937) who discovered the concept of radioactive half-life; he was awarded the Nobel Prize in Chemistry in 1908. Rare vintage matte-finish 2.5 x 3.5 bust portrait affixed to a 4.25 x 6.5 mount, signed on the mount in black ink, “E. Rutherford.” Also signed in the lower left, presumably by the photographer, “Rice.” In fine condition, with a trivial ding to the lower right corner of the mount. Fantastically rare, this is the very first signed photo of Rutherford we have offered. RR Auction COA.