It was a bit ironic that my first visit to the London studio of Black + Blum was during the summer edition of the New York International Gift Fair. It was during that show several years ago where I first encountered the company’s quirky, functional gadgets. During a trip to London in August, I sat down with Martin Blum at the Black + Blum studio/shop located in the OXO Tower on the south bank of the Thames. Blum was holding down the fort at home while his business partner Dan Black introduced new products at the Javits Center in New York. Blum and Black first met when they were design students at Newcastle University. After working well together on a few group projects, “we realized that we had something going,” says Blum. “It’s quite rare to find someone you can work well with.”  A few years after school the two got together and started a firm in 1998. After operating as a design consultancy for two years, they had a literal “lightbulb” moment after designing …