Short answers, pulled from the story.
Parker Brothers was founded by George Swinnerton Parker in Salem, Massachusetts in 1883. Parker was sixteen years old when he created his first game, Banking, and used $40 of his own money to print 500 sets after two Boston publishers rejected the idea.
Parker Brothers published more than 1,800 games between 1883 and 2009, including Monopoly, Clue, Risk, Sorry!, Trivial Pursuit, Ouija, Scrabble, Aggravation, Bop It, and Merlin.
Hasbro acquired Tonka, which included Parker Brothers, in 1991 for roughly $516 million. Parker Brothers and Milton Bradley were consolidated into Hasbro Games in 1998 and both brand names were retired in 2009.
Parker Brothers produced video games beginning in the late 1970s. The company spent $50,000 to reverse-engineer the Atari 2600 and earned $74 million from cartridge sales between June and December 1982. Its catalog included console versions of Frogger, Popeye, Q*bert, and Reactor, as well as Star Wars games licensed from Lucasfilm.
The Pastime line was Parker Brothers' most famous puzzle brand, producing hand-cut wooden puzzles from 1908 to 1958. Parker Brothers had entered the puzzle market in 1887 and also maintained several other lines before phasing out its die-cut puzzles in the late 1970s.
The source notes that Parker Brothers rejected Monopoly in 1934 but does not state the reason for that decision. The company reversed course the following year, published the game in 1935, and then struggled to meet demand.