Who are the pioneers in game development, and how did they contribute to the industry?

In 1972, the first home console system was released called Magnavox Odyssey, developed by Ralph H. Baer. That same year, Atari released Pong, an arcade game that increased video game popularity. The commercial success of Pong led other companies to develop Pong clones, spawning the video game industry. if your looking for the first viedo game October 1958: Physicist Invents First Video Game. In October 1958, Physicist William Higinbotham created what is thought to be the first video game. It was a very simple tennis game, similar to the classic 1970s video game Pong, and it was quite a hit at a Brookhaven National Laboratory open house.

The world's population is  increasing faster in some countries than in others. This is from things like illness and not having the means to support these new people whereas other countries are able to have a population growth.