Arthur Linz FAIC, FRPSL, (1895 – March 29, 1961) was an American industrial chemist who specialized in the chemistry of molybdenum and its compounds.

[1] Arthur Linz was born in 1895 and received his advanced education at Columbia University, New York, and the Zurich Polytechnic Institute.

The authors complained that no satisfactory work had been written on the subject, the existing literature simply reiterating "everything published about the chemistry of the element, true and false, probable and fantastic.

"[4] They aimed to remedy this by excluding the doubtful while still emphasizing the many exciting chemical possibilities of the element that Edgar Fahs Smith had described as "ambidextrous, bi-sexual and polygamous", but which had been overshadowed by its better-known metallurgical uses.

The collection is notable for its comprehensive coverage of classic issues such as the 1857 Pacific Steam Navigation Company stamps and material of the British postal agencies in Peru.