The phrase "autumn of an" is not correct and usable in written English as it is incomplete and lacks context.
It could potentially be used in a phrase discussing a specific aspect of autumn, but it needs to be followed by a noun to make sense.
Example: "In the autumn of an era, many changes took place."
Alternatives: "fall of a" or "autumn of the".
THERE is no keeping away from Ohio in the autumn of an election year.
Johnson could be handed a golden opportunity to try to convince the government of the need for wholesale restructuring of Britain's pension system with publication in the autumn of an interim report from the Pensions Commission.
Bees are kept behind a glass screen and keepers speak of propolis gathered in the autumn, of an apprentice scheme for bee farmers, of the cool nights and damp days of August now succeeded by autumnal warmth with the bees making up for lost time on ivy and balsam flowers.
"For the time being financing constraints are still an issue, however, the Scottish government announcement in autumn of an additional £394m being made available for capital building and infrastructure projects in Scotland should aid growth in the sector".
THERE is nothing unusual about people leaving the White House in the autumn of a two-term presidency.
He is sixty-four, in the autumn of a long career; in the nineteen-seventies, he was directed by Alain Resnais, Chantal Akerman, and Claude Lelouch.
In the swamps of Louisiana, in the autumn of 2004, an infant named Daigan Theriot was born to a young teen-age mother named Alexis.
In the swamps of Louisiana, in the autumn of 2004, an infant named Daigan Theriot… Terrebonne Parish, Louisiana, is a hub of oil and fishing industries on the Gulf of Mexico.
So it was that in the autumn of 1992, an extraordinary meeting took place at Harvard University.
We moved to Stratford in the autumn of 2011 – an exigency forced on us by London's housing bubble.
In the autumn of 2010 an unexpectedly large number of reports on narcolepsy in adolescents and children was noted by the Medical Products Agency in Sweden (as in Finland).
