János L. Wimpffen (born 1950s, Graz, Austria) is an American motorsport historian and writer of Austro-Hungarian origin who specialises in sportscar racing; he is best known for his 1999 debut book Time and Two Seats, which won multiple awards.
He is a personal historian of the car collection for Bruce McCaw of McCaw Cellular Communications[1]
He subsequently published a series of picture books to accompany T&TS, despite being by a different publisher. Wimpfen currently reside in Seattle