Yes, it is. There are many real - life events and characters that could be the inspiration behind a story named 'Professor Madman'. Maybe it's about a brilliant yet eccentric professor who has some extraordinary adventures or makes remarkable scientific discoveries.
It's a blend of truth and fiction. The core of the story has roots in reality, but for the sake of storytelling and entertainment, certain details might have been embellished or modified.
It is indeed a true story. The movie or book takes elements from actual happenings and people to create the narrative. However, some creative liberties might have been taken for entertainment purposes.