Referee's report by George Frederick James Temple, on a paper 'Wave equations in momentum space' by M Levy Sectional committee: Mathematics Paper reference code: A89 Recommended for publication in Philosophical Transactions, but Temple suggests 'I would [...] feel happier if someone who was actively working in the field of theoretical atomic physics would give his opinion as to the practical importance of the methods developed here.' [Published in Proceedings A, 1950]. Date received not given. 1950