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Cal Henderson

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Cal Henderson
Born
Callum James Henderson-Begg

17 January 1981 (1981-01-17) (age 43)
NationalityBritish
Occupation(s)computer programmer, author

Callum James Henderson-Begg (born 17 January 1981), known as Cal Henderson, is a British computer programmer and author based in San Francisco. He was educated at Sharnbrook Upper School and Community College. [citation needed]

He's best known for being the cofounder and CTO of Slack (software), as well as co-owning and developing the online creative community B3ta[1] with Denise Wilton and Rob Manuel; being the chief software architect for the photo-sharing application Flickr[2] (originally working for Ludicorp[3][4] and then Yahoo) and writing the book Building Scalable Web Sites[5] for O'Reilly Media. He's also worked for EMAP[5] and is responsible for writing City Creator[6] among many other websites, services and desktop applications. Cal was the co-founder and VP of engineering at Tiny Speck,[7] the company whose internal tool transitioned into Slack (software).

He is color blind, and has worked on applications to make the web more accessible to the color blind.[8] 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.

References

  1. ^ "Interview with B3ta co-founder Rob Manuel". BBC. August 2005. Retrieved 12 June 2007.
  2. ^ "About Flickr". Flickr. Retrieved 12 June 2007.
  3. ^ "The Ludicorp Team". Ludicorp. Archived from the original on 10 June 2007. Retrieved 12 June 2007.
  4. ^ "The Team: Web Development Lead: Cal Henderson". Ludicorp. Archived from the original on 11 February 2004.
  5. ^ a b "O'Reilly catalog - Building Scalable Web Sites". O'Reilly Media. Retrieved 12 June 2007.
  6. ^ "City Creator - Yahoo! picks for September 16, 2003". Yahoo!. Retrieved 12 June 2007.
  7. ^ "Companies > Tiny Speck". Crunchbase.
  8. ^ Color Vision - by Cal Henderson