Stationed in London as a captain he was assigned to the secret operational intelligence unit MI 14b, dealing with the order of battle of the Wehrmacht's formations.
As a result of these interviews, he wrote the Second World War military history Defeat in the West, published in London by Secker & Warburg in April 1947, and by Dutton in New York in January 1948.
Shulman joined the staff of the London Evening Standard in 1948 and, for over forty years, wrote about theatre, film, television and politics with sharp humour and irreverence.
In 1980, he was instrumental in setting up the London Theatre Associate awards for new and revived works undertaken by fringe, community based and touring companies.
In 1994, three years after Milton Shulman had retired from theatre reviewing, The Observer critic Michael Coveney published The Aisle is Full of Noises, a spirited "vivisection of the live theatre" which he arranged in the form of a diary, including some witty if not entirely flattering references to Shulman, while bracketing him with "the kosher butchers — Herbert Kretzmer, Bernard Levin and David Nathan".
Shulman took great offence, as reported in The Times newspaper diary of 21 September 1994: "Solicitors are trying to hammer out a deal to prevent court action against Nick Hern, the small publisher of the offending work.
She was the most decorative aspect of the Daily Express, where her elegant figure, piquant face and ever-smiling personality were in constant demand by feature writers and columnists."
His son Jason used some of his ashes in an artwork of stratified, magnetized, color-coded layers; this was shown in 2006 at the Madder Rose gallery near London's Old Street.