Foxtrot

Filippo Brunelleschi was one of the foremost architects and engineers of the Italian Renaissance. All of his principal works are in Florence, Italy.

François-Xavier Lalanne is best known for the sculptures of animals that he produced alongside his wife, Claude, under the moniker Les Lalanne.

A filibuster is a type of parliamentary procedure. Specifically, it is a form of obstruction in a legislature or other decision-making body whereby one attempts to delay or entirely prevent a vote on a proposal.

In his most famous work, Le parti pris des choses, Francis Ponge meticulously described common things such as oranges, potatoes and cigarettes in a poetic voice, but with a personal style and paragraph form  much like an essay.

A feng shui compass is used by a feng shui practitioner to determine the precise direction of a structure, place or item.

Frances Glessner Lee was a millionaire heiress who revolutionized the study of crime scene investigation. She founded Harvard's department of legal medicine, the first program in the nation for forensic pathology.

A fire whirl is a rare phenomenon in which a fire, under certain conditions (depending on air temperature and currents), acquires a vertical vorticity and forms a whirl, or a tornado-like effect of a vertically oriented rotating column of air.

Flying squirrels are incapable of sustained flight, instead they glide between trees, with flights recorded to 90 meters. The direction and speed of the animal in midair is varied by changing the positions of its two arms and legs, largely controlled by small cartilaginous wrist bones.

Frank Hurley was an Australian photographer and adventurer. He participated in a number of expeditions to Antarctica and served as an official photographer with Australian forces during both world wars.