Man Made Monster

Man Made Monster is a 1941 horror film starring Lionel Atwill, Lon Chaney, Jr. in his horror movie debut, Anne Nagel, Frank Albertson, Samuel S. Hinds, famed stuntman David Sharpe, Russell Hicks and Byron Foulger. George Waggner directs.

1000 Misspent Hours says,

There’s honestly very little, good or bad, to be said for Man-Made Monster. I would be hard pressed to think of a more perfectly generic early-40’s mad scientist flick, and if it weren’t for its significance as the start of Lon Chaney Jr.’s career in horror films, it would surely be even more completely forgotten than it is today....

It isn’t that Man-Made Monster is a notably bad movie— it’s competently made all around, and with a running time noticeably under an hour if you factor out the time spent on credits and production slates, there’s just no way for it to be boring— but there is nothing about it that lingers in the memory,...

Spinning Image says, "It's no classic, but it is unexpectedly endearing." Variety calls it "mighty successful" in a 1941 review. MSN, TCM and AMC each have some information.