Vachagan Khalatyan

Vachagan Khalatyan was born in Urut. After receiving a village school education and later a high school education in Stepanavan, he moved to Yerevan. Khalatyan graduated from the Department of French Language and Literature at Yerevan State Linguistic University named after Valery Brusov (YSLU) in 1954, having attended from 1949.

In 1954, Khalatyan was drafted into the Soviet Army. In 1958, he began working at a boarding school in Yerevan for Deaf children as an Armenian language teacher and a paraprofessional educator, providing more intensive instructional sessions in a resource room.

Khalatyan completed a distance learning program and graduated from the Faculty of Deaf Education at Moscow State Pedagogical University (1959–1961). He earned his PhD in Education from Moscow State Pedagogical University in 1983.^{[citation needed]}

During his student years, meeting with Galina Zaitseva, known for her research on sign language and Deaf history and culture, and K. A. Mikaelyan, who had been one of the leading organizers of the system of education and upbringing for children with hearing problems in Moscow since the 1930s, was inspiring and marked the beginning of a long-term professional collaboration.

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In 1961, Khalatyan created the Armenian Manual Alphabet, a significant development for the Armenian Deaf community.

The unique aspect of Khalatyan's Armenian Manual Alphabet, compared to manual alphabets in languages like ASL or BSL, is its direct correspondence to the distinctive, highly phonetic nature of the original Armenian script.

The original Armenian alphabet, created by Mesrop Mashtots around 405AD, was designed to be highly phonetic, with each of its 39 letters generally corresponding to a single, specific sound or phoneme. Khalatyan's manual alphabet replicates this precision in hand signs. In contrast, manual alphabets for languages like English (ASL) must account for a writing system in which single letters or letter combinations can produce multiple distinct sounds (e.g., 'c' in 'cat' vs. 'chair'), making the direct sound-to-sign mapping of the Armenian system a notable feature.

In developing the dactylic alphabet of the Armenian language, initially, Khalatyan followed a traditional approach, striving to design dactylemes that closely mirrored the visual structure of Armenian letters. In the resulting alphabet, 56% of the dactylemes were fully identical to their corresponding letters, while 31% were partially similar.

However, experimental testing revealed that this "visual-first" approach was impractical. The Armenian alphabet's composition and graphic structure are highly distinct. The Armenian alphabet has 39 letters—more than in other languages (French and English have 26; Russian has 33).

The graphic appearance of Armenian letters is very complex; at the same time, they are less contrasting than the letters of other alphabets, such as Russian or English. The basis for writing Armenian letters is a square (rather than round, as in most alphabets of other languages) form. Designing dactylemes based on "maximal similarity" to written letters inevitably resulted in visual ambiguity, as many signs became difficult to distinguish from one another. Distinguishing them, as the experiment showed, proved very difficult, and execution required significant muscle tension, which negatively affected the technique of dactylization.

Khalatyan made a bold decision: he created a new version of the dactylic alphabet based on the phonetic system of the Armenian language (and not on the specifics of the graphic representation of the letters!). The signs in Khalatyan's system are based on the visually unique and "artistically calligraphic" shapes of the Armenian script, which do not resemble Latin or Cyrillic characters. This means the handshapes themselves are distinct and not easily transferable to manual alphabets of other languages, which are typically based on the local script (e.g., the one-handed alphabet for ASL's Latin script, or the two-handed alphabet for BSL's Latin script).

In 1967, Khalatyan founded the first boarding school and kindergarten for children with hearing impairments, implementing specialized auditory-oral methods and immersive language development. Under his leadership for over two decades, the institution also offered vocational training in woodworking, shoe repair, and sewing, ensuring a rich environment for hearing-impaired students to thrive academically, socially, and emotionally.

Khalatyan has focused on issues related to deaf education and the training of scholarly, scientific, and pedagogical staff at the Armenian State Pedagogical University after Khachatur Abovyan (ASPU), where he delivered lectures on special education. He also organized teacher training programs. Khalatyan was invited to establish the Department of Speech and Hearing Sciences at the Armenian State Pedagogical University (ASPU), where he spearheaded the training of pedagogical staff.

An active member of the global academic community, he frequently presented at international conferences on advancements in deaf education. He participated in international conferences as a speaker, contributing to issues related to deaf education.

Khalatyan's legacy is defined by his authorship of foundational dictionaries and resources that standardized special pedagogy and sign language studies in Armenia. These works cemented his reputation not only as an innovative pedagogue but also as a vital lexicographer and author in Armenian deaf education.

• Dictionary of Special Pedagogy:^[1] A foundational reference work for professionals in the field
• Concise Dictionary of Sign Language (2001): An early, accessible guide to common signs
• Hands Speak (2004): A more comprehensive Armenian sign language dictionary, crucial for preserving and teaching local sign language to a wider audience