Atkinson, William
1st Prize, Ottawa Citizen, 1885
#2
10 + 12
4774 | Canadian Chess Problems | 1890 |
4817 | English Mechanic and World of Science | 1892 |
3713 | Snap | 2004 |
This anticipates 53893(1955)
There are these versions: 107604
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).