Gerry Finley-Day (writer)
From Action No. 73 with 3 black & white pages. It's panic station as thousands flee London! Professor Kurt has made an atomic bomb and threatens the city if he's not paid. Dredger and Breed are assigned to give him the payment and stop the threat. Dredger of course does things his way again, yet saves the city anyway.
Here are the pages I have of it.