Guilherme de Vasconcelos Abreu (1842-1907) was a Portuguese writer, cartographer and orientalist.
Guilherme de Vasconcelos Abreu was born in Coimbra in 1842.
One of his students, Aniceto dos Reis Gonçalves Viana, led the commission that advised on how the spelling of Portuguese should be reformed.
[1] This change was successfully made, but created a rift with Brazil who continued to use the traditional spelling.
The book was titled Os Contos, Apólogos e Fábulas da Índia (or Tales, apologists, and Fables of India) This was the first book to define the term yoga in Portuguese.