Read the bio below and try to give details on cal henderson 's: - birth name - birth date - name - nationality - image - occupation Bio: cal henderson -lrb- born callum james henderson-begg on 17 january 1981 -rrb- is a british computer programmer and author based in san francisco . he was educated at sharnbrook upper school and community college . he 's best known for co-owning and developing the online creative community b3ta with denise wilton and rob manuel ; being the chief software architect for the photo-sharing application flickr -lrb- originally working for ludicorp and then yahoo -rrb- and writing the book building scalable web sites for o'reilly media . he 's also worked for emap and is responsible for writing city creator among many other websites , services and desktop applications . cal is a co-founder and vp engineering of the company tiny speck , where he works today . he is color blind , and has worked on applications to make the web more accessible to the color blind . he is also a frequent contributor to open source software projects and runs a number of utility websites , such as unicodey , to make certain programming tasks easier .
Answer:
- birth name is callum james henderson-begg- birth date is yes 17 january 1981- name is cal henderson- nationality is british- image is cal henderson cc-by . jpg- occupation is computer programmer , author