Karnaugh map (K-map) method was introduced in _____?

Karnaugh map (K-map) method was introduced in _____?

کس سال میں کرنوگ نقشہ (کے میپ) کا طریقہ متعارف کرایا گیا تھا؟
Explanation

The Karnaugh map (K-map) method was introduced by Maurice Karnaugh in 1953.

It is used for simplifying Boolean algebra expressions visually.