Riddle

51.557393, -0.180411 (OpenStreetMap, Google Maps, Yandex Maps)

This person was the first to hold the office which to this day remains one of the most influential in the world. The other man and his wife were the first characters mentioned in a very popular book series — moreover, “Mr. and Mrs.”, followed by their last name, were the first words in the first book of the series.
Find the street named just like the place where the first person spent their retirement years. The name of this street contains the first name of the second person.
Building number 7 on this street. Black plaque to the right of the door.
First line on the plaque

Detailed answer

The first person is George Washington, the first US President.
The second is Vernon Dursley, who was one of the two characters to be mentioned in the book "Harry Potter and the Philosopher's stone"

Answer: Robert Louis Stevenson


Robert Louis Stevenson

Present in routes of categories Sphinx

Passed by: 17/22 (77%).

By categories:

  • Sphinx: 17/22 (77%)