Photo calendar.

[Brazile]

More possibilities:

Feb 11 -- birthday of William Henry Fox Talbot
Aug 4 -- birthday of Richard Leach Maddox
Aug 30 -- birthday of Frederick Scott Archer

[Julio1fer]

July 12 is George Eastman birthday
May 7 is Edwin Land’s - Polaroid day? Instant photography day?

[alexvaras]

And here it’s… if anyone from that side of the pond wants one, better team up and make one parcel with all of them. 10€ plus shipping.

Thank you, all, for your contributions!