The word focus has, as
a noun, been used in the English language as far back as the early seventeenth
century. Kepler, a prominent German
physician, first employed it to describe the physical point at which rays of
light focused after having passed through a converging lens or mirror. However, a focus can be defined generally as
the converging point of several key concepts, ideas, energies or physical
objects. The word was derived from its
Latin counterpart of the same spelling defined as ‘hearth’, as in the hearth of
a fireplace, or more loosely as family, or home. The English focus, however, was not the only
word to spring from this Latin terminology; the French word foyer (of
identical meaning to the English ‘focus’ defined above) also finds its roots
here.
Foyer, of course, was
then also adopted into the English language, albeit much later (in the first
half of the nineteenth century). Foyer did
not carry over its definition as a focus but instead came to describe the type
of entryway commonly leading into theatres or hotels, into which people gather
before proceeding further into the establishment, or equally just before
leaving. The reason for which I speak to
this effect is that the foyer is actually a perfect example of a physical
convergence or focus of people.
Interestingly enough, the same is true for the hearth described by the
Latin focus.
At the time the Latin
use was still relevant, city homes were generally very small, very dark, and
very claustrophobic. The fireplace would
have been for a large part the sole contributor of light to the house (aided
only by candles and weak oil lamps), as well as the only source of heat. The family would have cooked meals over the
fire contained within the hearth, ate in a joined space nearby, slept close
enough to feel its warmth. In short, the
hearth would have been the place in the home where a family would regularly
come together; would have been the focusing point, if you will, of their
at-home lives.
This relation can be
extended to many modern architectural spaces in two main senses, the first being
through the creation of spaces designed for people to congregate in in contrast
to those meant for people to move though.
A building’s energy can, with an ounce of foresight in its planning, be converged into
the appropriate spaces meant to support it, leaving other areas more sparsely
populated. For example at this school
both the atrium floor and the studio are spaces meant to focus energy and
foster it, while the staircases were built quite narrow so as to promote only
the passage of persons from one of the former hubs to the other. Finally, a given building can dictate where
an observer’s attention is meant to converge, for example by having a single
prominent architectural detail on an otherwise flat white wall, or by facing
all of a room’s seating in a single orientation so as to focus an audience’s
attention towards, for instance, a speaker or presentation.
Citations:
"foyer, n.". OED Online. September 2012. Oxford University
Press.
http://www.oed.com/view/Entry/74082?rskey=HIiA5f&result=2&isAdvanced=false
(accessed November 18, 2012).
"focus, n.". OED Online.
September 2012. Oxford University Press. http://www.oed.com/view/Entry/72350
(accessed November 18, 2012).
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