His 3rd christian name wasn’t Walter - it was William??
Is this person connected to your family history given the identity of his wife’s previous husband?
His birth reg is on freebmd so you can look for him on the 1901 & 1911 censuses if you want his ancestry. He also re-married in 1947 - see freebmd.
Look for him on the 1939 register to establish his occupation or buy a copy of his marriage cert
There is a tree on Ancestry so if you contact the owner they may have more info
He also left a will which you can download for £1.50
Lots of info available to you using the various websites