Question: Who designed the pinball game High Speed based on the real-life police chase inside a 1979 Porsche 928?

Context paragraphs:
The Simpsons (pinball): The Simpsons is a 1990 pinball game released by Data East Pinball.  It is based on the animated sitcom "The Simpsons" and features many elements from the series, such as character voices and music.  The game was popular in the United States, becoming a hit for Data East Pinball.  It has been cited as helping increase the popularity of pinball machines at the beginning of the 1990s.  The "Simpsons" pinball game was followed by "The Simpsons Pinball Party" in 2003.

Ed Krynski: Ed Krynski (died 16 November 2004) was a pinball game designer and innovator who worked for D. Gottlieb & Co between 1965 and 1987.  During this time Krynski designed more than 200 games and innovated new pinball standards such as the laneways to the flipper, carousel targets, vari-targets, multiple drop targets, and the first solid state pinball machine with the speaker in the backbox instead of the bottom cabinet.  Krynski is a member of the Pinball Hall of Fame.

The Getaway: High Speed II: The Getaway: High Speed II is a 1992 pinball game by Steve Ritchie.  It is a sequel to 1986's popular "High Speed".

Star Trek: The Next Generation (pinball): Star Trek: The Next Generation is a widebody pinball game, designed by Steve Ritchie and released in November 1993 by Williams Electronics.  It was part of WMS' "SuperPin" series (see also "The Twilight Zone" and ""), and was based on the .  It is the only pinball machine that features three separate highscore-lists.  Apart from the regular highscore-list and the buy-in-list, it also features a reminiscence to "" billionaires club.  It is also the third pinball game overall based on the Star Trek franchise, following the 1979 pinball game by Bally, and the 1991 game by Data East (both based on ), and preceding the 2013 pinball game by Stern (based on the 2009 J. J. Abrams film).

Zen Pinball: Zen Pinball is a series of pinball machine video games for iOS and the PlayStation 3 developed by Zen Studios.  The iOS releases are two separate applications, each containing one table; Zen Pinball: Rollercoaster, released July 7, 2008, and Zen Pinball: Inferno, released October 31, 2008.  "Zen Pinball" for the PlayStation 3 was published by Sony Computer Entertainment and features four tables, plus an additional six tables as downloadable content.  It was released on the PlayStation Network on May 14, 2009.  It is the PlayStation 3 counterpart to the "Pinball FX" series on the Xbox 360, and the first pinball game on the PlayStation 3.  The game was also released on Android devices as Zen Pinball THD on December 1, 2011, and the Nintendo 3DS as Zen Pinball 3D via the Nintendo eShop on December 1, 2011 in Europe and January 12, 2012 in North America.

Porsche Cayenne: The Porsche Cayenne (Type 9PA [Designated 955 in online forums, not recognized by Porsche Cars AG]) is a mid-size luxury crossover sport utility vehicle produced by the German manufacturer Porsche since 2002, with North American sales beginning in 2003.  It is the first V8-engined vehicle built by Porsche since 1995, when the Porsche 928 was discontinued.  It is also Porsche's first off road Varient sports car since its Super and Junior tractors of 1950s, and the first Porsche with four doors.  Since 2008, all engines have featured direct injection technology.

Obvio! 828: Obvio!  828 is a car made by Obvio! .  The car was originally made by Dacon as Dacon 828.  Dacon was originally the Brazilian representative of Porsche, but when imports were prohibited in 1976 they developed a car of their own.  The name was chosen to remind one of Porsche 928 and the Dacon 828 used rear lights and other Porsche parts for their car.  The Dacon version was only sold between 1983 and July 1994, only 47 cars were sold.  It was then powered by a 1.6 litre VW boxer engine connected to a 4 speed gearbox.

Porsche 928: The Porsche 928 is a luxurious grand tourer produced by Porsche AG of Germany from 1978 to 1995.  Originally intended to replace the company's well-known and famed 911, the 928 combined the power, poise, and handling of a sports car with the refinement, comfort, and equipment of a luxurious saloon to create what some Porsche executives thought would be a vehicle with wider appeal than the compact, quirky and sometimes difficult 911.

Pokémon Pinball: Ruby &amp; Sapphire: Pokémon Pinball: Ruby & Sapphire is a pinball game developed by Jupiter, published by The Pokémon Company and distributed by Nintendo for the Game Boy Advance handheld game console.  It was first revealed at E3 in 2003, and was released in the same year – on August 1, August 25, and November 14 in Japan, North America, and PAL regions respectively.  The North American release was done to coincide with the fifth anniversary of the North American release of "Pokémon Red" and "Blue".  It is based on "Pokémon Ruby" and "Sapphire", and is a sequel to "Pokémon Pinball" for the Game Boy Color.  In some ways, it plays like a traditional pinball game, where the objective is to get a high score by keeping the ball in play as long as possible and hitting bumpers.  In keeping with the theme of "Pokémon", it features Pokémon collection, where while the players play pinball, they must also capture the eponymous creatures.

High Speed (pinball): High Speed is a 1986 pinball game designed by Steve Ritchie and released by Williams Electronics.  This game was based on Ritchie's real-life police chase inside a 1979 Porsche 928.  He was finally caught in Lodi, California on Interstate 5 and accused of speeding at 146 mph.

Supporting paragraphs: High Speed (pinball) Porsche 928
Answer: Steve Ritchie