Deletion of Allan Staniforth

Comment: Subject meets  #1 "The person is regarded as an important figure or is widely cited by peers or successors." His books on race and rally cars have multiple citations and reviews, eg ''Maximum Mini: The Definitive Book of Cars Based on the Original Mini'' https://books.google.com.au/books?id=NhcreWHBAO0C&pg=PA112&dq=%22Allan+Staniforth%22&hl=en&sa=X&ved=0ahUKEwi189uvq7PfAhWMy7wKHZL2B7g4ChDoAQg5MAM#v=onepage&q=%22Allan%20Staniforth%22&f=false, ''How to Build Motorcycle-engined Racing Cars'' https://books.google.com.au/books?id=cym6_H4qm8UC&pg=PA74&dq=%22Allan+Staniforth%22&hl=en&sa=X&ved=0ahUKEwi189uvq7PfAhWMy7wKHZL2B7g4ChDoAQhRMAc#v=onepage&q=%22Allan%20Staniforth%22&f=false, ''Frogeye Sprite: The Complete Story'' https://books.google.com.au/books?id=WYx8AwAAQBAJ&pg=PT187&dq=%22Allan+Staniforth%22&hl=en&sa=X&ved=0ahUKEwi189uvq7PfAhWMy7wKHZL2B7g4ChDoAQhGMAU#v=onepage&q=%22Allan%20Staniforth%22&f=false, ''Build Your Own Kit Car'' https://books.google.com.au/books?id=NIx8AwAAQBAJ&pg=PT311&dq=%22Allan+Staniforth%22&hl=en&sa=X&ved=0ahUKEwi189uvq7PfAhWMy7wKHZL2B7g4ChDoAQhcMAk#v=onepage&q=%22Allan%20Staniforth%22&f=false, ''How To Build a Cheap Sports Car'' https://books.google.com.au/books?id=9b1SyHTHKJIC&pg=PA189&dq=%22Allan+Staniforth%22&hl=en&sa=X&ved=0ahUKEwi9t7Wkq7PfAhULvLwKHXJlBwgQ6AEITzAI#v=onepage&q=%22Allan%20Staniforth%22&f=false, review in ''Motor Sport'' magazine https://www.motorsportmagazine.com/archive/article/january-1984/67/book-reviews, and even in a Bachelor of Mechanical Engineering thesis, ''Redesign of an FSAE Race Car’s Steering and Suspension System'' https://core.ac.uk/download/pdf/11049378.pdf. I'm sure there's more to be found. I am starting to wonder whether  has been done for all these nominations
Stance: keep
Cited policy: Wikipedia:Notability (WP:AUTHOR||WP:BEFORE)