![blue plaques in chelsea, london, england, marking homes of scientist patrick blackett and playwright samuel beckett Stock Photo - Alamy blue plaques in chelsea, london, england, marking homes of scientist patrick blackett and playwright samuel beckett Stock Photo - Alamy](https://c8.alamy.com/comp/FY3X3T/blue-plaques-in-chelsea-london-england-marking-homes-of-scientist-FY3X3T.jpg)
blue plaques in chelsea, london, england, marking homes of scientist patrick blackett and playwright samuel beckett Stock Photo - Alamy
![For More Than 150 Years London Has Marked Its Most Significant Buildings With a Blue Plaque | Architectural Digest For More Than 150 Years London Has Marked Its Most Significant Buildings With a Blue Plaque | Architectural Digest](https://media.architecturaldigest.com/photos/5d85243ac7d34700085a12d5/16:9/w_2560%2Cc_limit/BT4P1J.jpg)
For More Than 150 Years London Has Marked Its Most Significant Buildings With a Blue Plaque | Architectural Digest
![For More Than 150 Years London Has Marked Its Most Significant Buildings With a Blue Plaque | Architectural Digest For More Than 150 Years London Has Marked Its Most Significant Buildings With a Blue Plaque | Architectural Digest](https://media.architecturaldigest.com/photos/5d8525c4a8aab30008abab67/master/w_1600%2Cc_limit/DP061245.jpg)