Gordon James Ramsay (; born (1966-11-08)8 November 1966) is a British celebrity chef, restaurateur, television presenter, and writer. His restaurant group, Gordon Ramsay Restaurants, was founded in 1997 and has been awarded 17 Michelin stars overall and currently holds eight. His signature restaurant, Restaurant Gordon Ramsay in Chelsea, London, which he founded, has held three Michelin stars since 2001 and is currently run by Chef Matt Abé. After rising to fame on the British television miniseries Boiling Point in 1999, Ramsay became one of the best-known and most influential chefs in the world...

Hydrogen fluoride (fluorane) is an inorganic compound with chemical formula HF. It is a very poisonous, colorless gas or liquid that dissolves in water to yield hydrofluoric acid. It is the principal industrial source of fluorine, often in the form of hydrofluoric acid, and is an important feedstock in the preparation of many important compounds including pharmaceuticals and polymers such as polytetrafluoroethylene (PTFE). HF is also widely used in the petrochemical industry as a component of superacids. Due to strong and extensive hydrogen bonding, it boils near room temperature, a much higher...