Seventeen milestones from birth to posthumous honours. Each entry links to the sources used to establish it. This is a simple vertical list—nothing to drag or animate.
Xavier Nicholas Stanislaus was born on 2 August in Karampon, near Kayts (Ūr kāvaṟtuṟai), in the Jaffna district. His parents were Naganathan Stanislaus and Cecilia Bastiampillai; his paternal grandfather, Thaninayaga Mudali, came from the island of Neduntheevu (Delft).
Kayts and Jaffna
Schooling in Jaffna
He studied at St. Anthony’s College, Kayts, and then at St. Patrick’s College, Jaffna, receiving an English-medium education.
Colombo
Seminary education in Colombo
At St. Bernard’s Seminary he completed a B.A. in Philosophy and developed the European-language skills that later supported his international work.
Rome
Theological study in Rome
While attached to the Trivandrum diocese he studied at the Pontifical Urban University and completed a Doctor of Divinity on the Carthaginian clergy. The dissertation was later published as a book in 1960, and these years gave him contacts among international scholars.
Vadakkankulam
A vocation for Tamil takes shape
As assistant headmaster of St. Theresa’s convent school in Vadakkankulam, Tirunelveli District, he began sustained study of Tamil under Pandit Gurusamy Subramaniya Iyer—a commitment that redirected his life’s work.
Annamalai
Tamil study at Annamalai University
He entered Annamalai University to study Tamil literature. Recognising his maturity, the university allowed him to proceed directly to postgraduate work, and from 1947 to 1949 he completed M.Litt. research on nature in Sangam poetry.
Lisbon
An early-print rediscovery in Lisbon
During European library research he identified the 1554 Luso-Tamil Catechism (Cartilha)—the first printed Tamil book—beginning the archival recovery work for which he became known.
Tuticorin
A journal and a society for Tamil
While based in Tuticorin he founded the Tamil Literature Society and launched Tamil Culture, an English-language quarterly. Tamil Wikipedia records his editorial run as 1951–1959.
Ceylon
Lecturer at the University of Ceylon
He joined the University of Ceylon as a lecturer in education, a post he held until 1961, while editing the quarterly for an international scholarly readership.
London
Doctoral research in education
At the University of London he completed a second doctorate, on education through Tamil literature.
Kuala Lumpur and Madras
Leads Indian Studies in Malaya
He became head of Indian Studies and professor of Tamil at the University of Malaya, strengthening the institutional base for Tamil scholarship in Southeast Asia. In the same period he founded the Academy of Tamil Culture in Madras.
Madras
A proposal for a world Tamil conference
He proposed to the Government of Tamil Nadu that scholars of Tamil from every country be gathered for an annual conference. When the government did not act, he resolved to organise the gathering internationally himself.
New Delhi
An international research association
With Kamil Zvelebil and V. I. Subramaniam he convened Tamil scholars at the Orientalists’ meeting in New Delhi, and on 7 January twenty-six scholars founded the International Association for Tamil Research. Jean Filliozat became its first president; Thani Nayagam and Zvelebil served as joint secretaries.
Kuala Lumpur
The first international conference
As general secretary he organised the First International Conference-Seminar of Tamil Studies in Kuala Lumpur from 16 to 23 April. Malaysian prime minister Tunku Abdul Rahman presided, Tamil Nadu chief minister M. Bhaktavatsalam attended, and his reprint of Proença’s Tamil–Portuguese dictionary was released at the gathering.
Paris and Naples
Teaching across Europe
After leaving Malaysia he taught at the universities of Paris and Naples before later returning to Sri Lanka.
Colombo and Jaffna
Final lectures and death
He delivered the Thanthai Chelva Memorial Lecture in Colombo in April, attended a book release at Velanai in May, and died in Jaffna on the evening of 1 September.
Madurai and Jaffna
Posthumous honours
The fifth International Conference-Seminar of Tamil Studies in Madurai mourned his death and unveiled a statue in his honour, and the University of Jaffna conferred a posthumous doctorate.