I am an artist and a regular swimmer. Last year I began making underwater portraits of some of my friends. I printed a few at the time, but couldn’t quite get the look I wanted, so I put them aside for a while.
Then, during lockdown in March, I began printing them using a 19th Century photographic technique called Cyanotype, which uses iron salts to create a blue image. I carefully measured out and mixed up the chemicals in my darkened bathroom, and then exposed the coated paper to sunlight on my tiny London balcony.