The Holy Venerable

Venerable

The Venerable is used as a style or epithet in several Christian churches. It is also the common English-language translation of a number of Buddhist titles.-Roman Catholic:...

 Theodosius of Tarnovo (died 1363) was a high-ranking 14th-century Bulgaria

Bulgaria

Bulgaria , officially the Republic of Bulgaria , is a parliamentary democracy within a unitary constitutional republic in Southeast Europe. The country borders Romania to the north, Serbia and Macedonia to the west, Greece and Turkey to the south, as well as the Black Sea to the east...

n cleric and hermit and the person credited with establishing hesychasm

Hesychasm

Hesychasm is an eremitic tradition of prayer in the Eastern Orthodox Church, and some of the Eastern Catholic Churches, such as the Byzantine Rite, practised by the Hesychast Hesychasm is an eremitic tradition of prayer in the Eastern Orthodox Church, and some of the Eastern Catholic Churches,...

 in the Second Bulgarian Empire

Second Bulgarian Empire

The Second Bulgarian Empire was a medieval Bulgarian state which existed between 1185 and 1396 . A successor of the First Bulgarian Empire, it reached the peak of its power under Kaloyan and Ivan Asen II before gradually being conquered by the Ottomans in the late 14th-early 15th century...

. A disciple of Gregory of Sinai

Gregory of Sinai

Saint Gregory of Sinai was instrumental in the emergence of "technical" Hesychasm on Athos in the early 14th century....

, Theodosius founded the Kilifarevo

Kilifarevo

Kilifarevo is a small town in central northern Bulgaria, administratively part of Veliko Tarnovo municipality, Veliko Tarnovo Province. Previously a village, it was proclaimed a town in 1973....

 monastery and school near the then-Bulgarian capital Tarnovo

Veliko Tarnovo

Veliko Tarnovo is a city in north central Bulgaria and the administrative centre of Veliko Tarnovo Province. Often referred to as the "City of the Tsars", Veliko Tarnovo is located on the Yantra River and is famous as the historical capital of the Second Bulgarian Empire, attracting many tourists...

 and took an important part in the condemning of various heresies during the reign of Tsar Ivan Alexander of Bulgaria

Ivan Alexander of Bulgaria

Ivan Alexander , also known as John Alexander, ruled as Emperor of Bulgaria from 1331 to 1371, during the Second Bulgarian Empire. The date of his birth is unknown. He died on February 17, 1371. The long reign of Ivan Alexander is considered a transitional period in Bulgarian medieval history...

.

Theodosius died in 1363 at the Monastery of St Mamant in Constantinople

Constantinople

Constantinople was the capital of the Roman, Eastern Roman, Byzantine, Latin, and Ottoman Empires. Throughout most of the Middle Ages, Constantinople was Europe's largest and wealthiest city.-Names:...

. He went to the Byzantine

Byzantine Empire

The Byzantine Empire was the Eastern Roman Empire during the periods of Late Antiquity and the Middle Ages, centred on the capital of Constantinople. Known simply as the Roman Empire or Romania to its inhabitants and neighbours, the Empire was the direct continuation of the Ancient Roman State...

 capital on a visit to his fellow, Patriarch Callistus I

Patriarch Callistus I of Constantinople

Kallistos I was the Ecumenical Patriarch of Constantinople for two periods from June 1350 to 1353 and from 1354 to 1363. Kallistos I was an Athonite monk and supporter of Gregory Palamas. He died in Constantinople in 1363.-Life:...

, who consequently wrote a long passional about Theodosius. Among Theodosius' disciples was Patriarch Evtimiy, the last head of the medieval Bulgarian Orthodox Church

Bulgarian Orthodox Church

The Bulgarian Orthodox Church - Bulgarian Patriarchate is an autocephalous Eastern Orthodox Church with some 6.5 million members in the Republic of Bulgaria and between 1.5 and 2.0 million members in a number of European countries, the Americas and Australia...

, as well as a writer and hesychast.