Richard Alan Hayden Mark Rust

Harvard University engages in the provision of teaching and research. It has twelve degree-granting Schools in addition to the Radcliffe Institute for Advanced Study, offering a global education. The university was founded in 1636 and is headquartered in Cambridge, MA.

Tempo operates a chain of supermarkets. It has cash and carry centers that retail food and non-food consumer goods. The company is headquartered in Belgrade, Serbia.

Sinclair Optical Services Co. Ltd. develops and manufactures stock lenses, prescription lenses and surface treatments. It offers opthalmic lenses, frames, and glazing and coating services. The company was founded on October 12, 1983 and is headquartered in Corse, the United Kingdom.

Part of EssilorLuxottica SA, Essilor Ltd. is a leader in ophthalmic lenses and the top business partner to independent opticians in the UK. The company is based in Thornbury, UK, was founded in 1972, and is led by CEO Timothy James Precious. The British company designs, manufactures, and distributes ophthalmic lenses and optical equipment for eye care professionals under brands such as Varilux, Crizal, Eyezen, and Transitions. Essilor believes that everyone should experience the life-changing benefits of vision correction and protection.

Part of EssilorLuxottica SA, Emnuk Ltd. is a British company that manufactures optical instruments and lenses. The company is based in Quedgeley Gloucester, UK. Emnuk was founded in 1987.

Vision Direct Europe Ltd. provides online contact lenses and prescription glasses. It offers colored contact lenses, sunglasses, and contact lens solutions, including hydrogen peroxide, gas permeable systems, travel packs, protein removers, cleaners and salines, ocular vitamins, dry eye treatments, eye drops, and lid care products. The firm also provides blink and clean vials, Ocuvite PreserVision, ready readers, and blink and renu comfort drops. The company was founded by Michael Benjamin Kraftman and Brendan Celestine O'Brien in 2002 and is headquartered in Nether Poppleton, the United Kingdom.

Vision Direct BV provides contact lenses and prescription glasses through online. Its brands include Aura, Acuve, Air Optix, Biofinity, Biomedics, Clariti, Dailies, Easyvision, Focus Dailies and Softlens. The firm offers torics for astigmatism, multifocal and colored contact lenses, extended wear, silicone hydrogel, and eye care contact lenses. The company is headquartered in Amsterdam, the Netherlands.

Vision Direct Group Ltd. provides contact lenses and prescription glasses. It offers sunglasses, eye care services, and solutions for contact lenses. The company was founded by Michael Benjamin Kraftman on May 10, 2004 and is headquartered in Narrow Quay, the United Kingdom.