Question: When did the designer of the Porsche 695 die?

Context articles: Porsche 695
Wolfgang Porsche
Richard Velazquez
Porsche Panamericana
Porsche 991
Pinky Lai
Karl Rabe
Ferdinand Anton Ernst Porsche
Magnus Walker
Ferdinand Alexander Porsche

The Porsche 695, also known as the T7 prototype, is an automobile from Porsche.
 It was a prototype made in 1961 and later became the Porsche 911.
 The front end is very similar to the 911, but the rear is somewhat different.
 The 695 was developed from the Porsche 356 by Ferdinand Alexander Porsche, and has a wheelbase that is 100 mm longer (up to 300 mm longer in early designs).
 It has a top speed of 200 km/h .
Wolfgang Heinz Porsche (born Stuttgart May 10, 1943) is a German manager and a member of the Porsche family dynasty.
 He is a shareholder and chairman of the Supervisory Board of Porsche Automobil Holding SE as well as of Porsche AG.
 He is the youngest son of Ferdinand (Ferry) Porsche and Dorothea Reitz.
 His oldest brother is Ferdinand (Butzi) Porsche, designer of the Porsche 911.
Richard Velazquez is a nationally recognized leader in the Hispanic community and in business.
 Velazquez is currently an Executive at PepsiCo.
 Prior to his current role at PepsiCo, Velazquez was an automotive designer, President of the National Society of Hispanic MBAs (NSHMBA) Seattle Chapter, and Sr.
 Global Product Planner / Product Manager for Xbox with the Interactive Entertainment Business at Microsoft.
 He was recognized in October 2000 as the 1st Puerto Rican automotive designer for Porsche in Germany.
The Porsche Panamericana is an automobile produced by Porsche AG.
 It was designed by Dutchman Harm Lagaay (designer) and Ulrich Bez (technical director) to renew the design of the 911.
 Lagaay was known for his work in Porsche's Weissach R&D center from 1970 to 1977 as a member of the Anatole Lapine design team that designed the 924.
 He also worked for Ford to develop the design of their models Escort, Sierra, and Scorpio and for BMW Research and Technology developing the BMW Z1 in 1985.
The Porsche 991 is the internal designation for the seventh generation Porsche 911 which was unveiled at the 2011 Frankfurt Motor Show on 15 September as the replacement for the 997.
 The 991 is an entirely new platform, only the third since the original 911 launched in 1963 (the 996 of 1999 was the second new platform).
 The design has taken an evolutionary step, in keeping with the previous generation 997 and 996.
 The designer of the 991 is Porsche's Chief Designer Michael Mauer.
Pinky Lai (born 20 March 1951), Chinese name 賴平, is an automotive designer.
 During his tenure at Porsche AG from January 1989 until his retirement in 2014, he was chief designer responsible for the exterior designs of 996 series of the Porsche 911 as well as both the .
Karl Rabe (29 October 1895, Pottendorf, Austria - 28 October 1968) was an automobile designer and was the Chief Designer at Porsche.
 He helped Ferdinand Porsche to develop the Porsche's transmissions.
Ferdinand Anton Ernst Porsche (19 September 1909 – 27 March 1998), mainly known as Ferry Porsche, was an Austrian technical automobile designer and automaker-entrepreneur.
 He operated Porsche AG in Stuttgart, Germany.
 His father, Ferdinand Porsche, Sr. was also a renowned automobile engineer and founder of Volkswagen and Porsche.
 His nephew, Dr. Ferdinand Piëch, is the longtime chairman of Volkswagen Group, and his son, Ferdinand Alexander Porsche, was involved in the design of the 911.
Magnus Walker (born 1967), nicknamed the Urban Outlaw, is a British fashion designer and car collector.
 After emigrating to the United States in 1986, he established the Serious Clothing Brand, which was worn by the likes of Madonna, Alice Cooper, and Bruce Willis.
 Having been fascinated with Porsche since childhood, he started collecting and customizing vintage Porsches, mostly of the 911 model.
 After the documentary "Urban Outlaw" about his life and fascination with Porsche was shown at the 2013 Sundance Festival, he became one of the world's most visible faces of the Porsche and car collecting scene, and has since been featured in a multitude of media, such as "The Joe Rogan Experience" (2015), and "Jay Leno's Garage" (2017), and the 2015 video game "Need for Speed".
Ferdinand Alexander Porsche (11 December 1935 – 5 April 2012), nicknamed "Butzi", son of Ferry Porsche, grandson of Ferdinand Porsche, was a German designer whose best known product was the first Porsche 911.