Who’s the person?
The blog has an eclectic IT selection of articles on Software Development, Infrastructure and Data Processing (“Big Data”) by Ian Rumford.
What’s an Ostler?
An Ostler is
A man employed to look after the horses of people staying at an inn.
What’s the photo?
Whistlejacket was painted in 1762 for the horse’s owner the 2nd Marquess of Rockingham and hangs today in the National Gallery in London’s Trafalgar Square. The painting is enormous at nearly 3m x 2.5m; it may be the biggest in the gallery.