Vallés was born 4 November 1925 in Logroño, Spain to an engineer When he was ten, his father died of Vincent"s angina. Six months later, when the Spanish Civil War broke out, he fled his home, along with his mother and brother, and went to live with his mother"s aunt, leaving everything behind.
In India, Vallés attended Madras University and completed an Master of Arts in mathematics with first class honours in 1953.
Born in Spain, he lived in India for five decades and wrote extensively in language and on mathematics. He has also written in English and Spanish. There, he learned English to complete his studies.
He later started learning the language, as he was asked to teach mathematics at the newly opened Street Xavier"s college in Ahmedabad, which had students.
He learned for two years, and later practised writing it during his four-year theological studies at Pune. He was ordained to the priesthood on 24 April 1958.
He started teaching mathematics in Ahmedabad in 1960. He translated many mathematical concepts into for Gujarat University and coined terms for them.
He helped to start and contributed regularly to the first mathematical review in an Indian language, Suganitam.
He also contributed in to the encyclopaedia Gnanganga on mathematical topics. In 1960, he wrote a book titled, which he published with the help from his mother, since nobody agreed to publish lieutenant lieutenant was successful and he was invited to write in the monthly Kumar by its editors.
Later, he started writing in Sunday supplement of Gujarat Samachar in a column titled Navi Pedhine ("To the new generation").
lieutenant was successful and his articles were later published as a book Later, he left his staff quarters in the college and started living with people to understand their life.
He would live with one family for a few days and then move to the next one. He lived this way for ten years.
He retired from his mathematics chair and left India.
He settled in Madrid and accompanied his ninety-year-old mother until she died at the age of 101. He continued to write in, and began translating and writing in English and Spanish focused on his experiences in India and in Latin America.
Vallés won the literary prize for essays from the Government of Gujarat five times. He received the Kumar Chandrak in 1966. He was awarded Ranjitram Suvarna Chandrak, the highest award in Gujarati literature, in 1978. He was the first foreign recipient of the prize. His domestic wandering to understand culture and people won him the Acharya Kakasaheb Kalelkar Award for Universal Harmony in 1995 and the Ramakrishna Jaidalal Harmony Award in 1997. He was also named an Honorary Jain for his friendship with Jain community in Mumbai.
