Google has honoured Cuban physician and scientist Carlos Juan Finlay with a doodle on his birthday.

Carlos Juan (December 3, 1833 – August 20, 1915), was recognised as a pioneer in yellow fever research.

The doodle marks Finlay's 180th birth anniversary. It features mosquitoes breeding on the leaves in the stagnant water.

Finlay was born Juan Carlos Finlay, but he reversed his names to Carlos Juan later in his life. Born in Puerto Principe, Cuba, Finlay identified the role of mosquitoes in spreading yellow fever. It was he who propounded the theory that the virus (of yellow fever) was transmitted through the bite of female mosquitoes.

His contribution came to be known as the etiology of yellow fever - its causes and origins.

In the 19th century, yellow fever was a fatal disease.

Finlay after graduating Jefferson Medical College in Philadelphia, Pennsylvania; started his own medical practice in Havana.

Recognition for his work came only in 1900. His discovery is said to have opened the field for experiment on vector-borne diseases.

He was also nominated for the Nobel prize in medicine.

He breathed his last on August 20, 1915.

(This article was published on December 3, 2013)
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