150th Anniversary
1869÷2019

Journal
of the Bulgarian Academy of Sciences

Academic journal of the Bulgarian Academy of Sciences

ISSN 2683-0302 (on line)
ISSN 0007-3989 (print)

Contents

Issue 6/2019

150 YEARS BULGARIAN ACADEMY OF SCIENCES

Official Celebration of the 150th Anniversary of the Bulgarian Academy of Sciences

…3

Speech of the President of BAS Academician Julian Revalski

…4

Speech of the President of the Republic of Bulgaria Rumen Radev

…7

Gratulatory Addresses

…8

1st NOVEMBER – THE DAY OF THE ENLIGHTENERS

Celebrating the Day of the Enlighteners

…13

Hristo Popov Education, Science and National Values. The Ups and Downs of the New Bulgarian Life

…13

Awarded Scientists

…18

SCIENTIFIC SECTION

Dimitre Dimitrov The Political Elite and Its Behaviour

…21

Mihail Videnov Strategies with the Variable "Ѣ"

…31

Vassil Nikolov The Early Neolithic Settlement Site (Village) of Slatina-Sofia

…36

Teodoritschka Gotovska-Henze The Way of Konstntin Jireček to Bulgaria

…45

Ilia D. Christov Influence of Water and Nutrient Statuses of Soil on the Quality and Amout of
Crop Yield

…51

Nickolay Borissov "Game is the Highest Form of Scientific Work"

…57

BAS ARHIVES

Letter to the Bulgarian Academy of Sciences on Donation for Establishing the Kiril Berlinov Fund

…59

Kiril Berlinov Annual Fund Award Letter

…60

ANNIVERSARIES AND JUBILEES

Damyan Damyanov 150 years of BAS. The Role of Academic Community in Accordance with National and International Experience

…61

Damyan Damyanov 75 Years Union of Scientists in Bulgaria. After that?

…68

Vera Boneva Bishop Sofronii Vrachanski in the Cultural Memory of Modern Bulgaria

…72

Venko N. Beshkov A Hundred Years since the Birth of Professor Dimitar Elenkov
– the Founder of Engineering Chemistry in Bulgaria

…76

NATIONAL AND INTERNATIONAL SCIENTIFIC EVENTS

Draga Toncheva Second Balkan Conference on Personalized Medicine

…78

Petya Vassileva Conference "Prevention and Treatment of Vision Diseases"

…81

Teodora Valova Jubilee Scientific Conference "45 Years of Medical University – Pleven"

…83

NEWS ITEMS

Events Dedicated to the 150th Anniversary of the Bulgarian Academy of Sciences

…85

Higher State Honors for Three Academicians of BAS

…87

BAS Scientists with Honors for Excellence

…88

Deserved Recognition

…88

REVIEWS

Rositsa Stoyanova, Iliana Marcheva Following in the Footsteps of a Noble Tradition

…89

IN MEMORIAM

Corresponding Member Aleksandar Yankov

…91

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