Author: dceadmin

Д-р Румяна Станимирова

Много е трудно да приемеш такава новина, че такъв човек като акад. проф. Кралчевски вече не е сред нас. Много е трудно да се говори за него в минало време. Той беше/ е изключителен човек, велик учен, толкова ерудиран и вдъхновяващ, винаги ни е бил за пример и не само на нас хората, които работихме с него, а и за всички, които по някакъв начин са се докоснали до него. Трудно се осъзнава, че няма да ти звънне телефона и да му чуеш гласа. Това е една огромна загуба за България, за европейската и световната наука, за всички нас. Всеки ден или през ден съм му писала имейли които започват с обръщението „ Драги, проф. Кралчевски“ сега ще е последния, който ще напиша адресиран към него:

Драги, проф. Кралчевски,

Благодаря Ви за всичко, на което ме научихте! Благодаря Ви, че с вашата всеотдайност, доброта и спокойствие винаги ми помагахте, когато имах нужда. Благодаря Ви, че имах възможност да работя с Вас и да се уча от Вас. Винаги ме изслушвахте, когато имах проблем и с лекота го решавахте.

Вие оставихте в съзнанието ми, живота ми и научното ми развитие огромна следа, за която съм Ви изключително признателна и благодарна.

Радвам се, че имах възможността да работя с вас по различни проекти и имах възможността да черпя с големи шепи от неизчерпаемите Ви знания и да се уча от Вас.

Винаги ще си спомням за вас с огромна благодарност за всичко, което сте направили за мен, ще ви запомня с леката усмивка и с човечността Ви.

Светъл полет във вечността!

Сигурна съм, че ще продължите да ми помагате да взимам правилни решения по някакъв начин!

С голямо уважение и последно сбогом!

Руми

Prof. Dr.habil. Georgi Rainovski Dean of Faculty of Physics

Уважаеми колеги,
моля приемете съболезнованията от колегията на Физически факултет.
Поклон пред паметта на проф. Кралчевски и мир на праха му!

От името на колегията на Физически факултет,
Георги Райновски

доц. Людмил Лютов

Поклон пред паметта на Колегата, Човека и Приятеля

П. Кралчевски!

Несъмнено заслужените високи титли и длъжности не го възгордяха и не промениха отношението му към околните и низшестоящите. Той запази тихия и спокоен характер до края на дните си. Колегиума загуби не само ерудиран учен, но и изключителен Колега, Човек и Приятел. Последно Сбогом!

Dr. habil. PD Rumiana Dimova

The loss of Peter Kralchevsky (Petio) is an overwhelming news. As one of his PhD students 20 years ago, I realize that his great scientific insights, wonderful personality and excellent didactical skills have shaped me as a scientist more than I can grasp. I write this email with great sorrow and hope that his legacy in the field of colloidal physical chemistry remains appreciated for long years.

проф. Лора Тасева (Председател на ХСБ)

Уважаема госпожо Кралчевска, опечалено семейство и колеги,
Хумболтовият съюз в България изразява своите искрени съболезнования на семейството, близките и колегите на академик Петър Кралчевски по повод неочкваната му кончина. В негово лице българската наука и образование изгубиха един изключителен учен, преподавател и колега с висок професионален и човешки морал.
В нашите спомени акад. Кралчевски ще остане и като добър приятел на Хумболтовия съюз в България, който винаги откликваше на всяка молба за съдействие. Ще го запомним и с участието му в Хумболтовите лекции през 2016 г., както и с подкрепата му като декан на Факултета по химия и фармация на наши колеги-хумболтианци в техните съюзни изяви.
Да бъде светла неговата памет!

Prof. Davor Kovacevic

I am really sorry to hear the sad news about Prof. Kralchevsky. I am sure that his scientific and personal achievements will be remembered not only at your University and in Bulgaria, but also in European colloid community generally. ECIS meetings and other events without him won’t be the same any more, we have lost an outstanding colleague and friend. Please pass my respect and condolances to his family and friends.

Department of Biotechnology and Food Engineering and the Russell Berrie Nanotechnology Institute
Technion
Haifa, Israel

With deep sorrow we announce that Peter Kralchevsky, Secretary of ECIS, had suddenly passed away on December 6th, 2020. The European Colloid and Interface Society has lost one of its most eminent scientists, who had been also deeply involved in the development and consolidation of the colloid and interface community in Europe. Peter’s research contributions in the domains of capillary and surface forces, colloidal dispersions and surfactants (adsorption, micellization, micellar growth, solubilization and rheology), attachment of particles to interfaces, as well as interactions in colloidal and bio-colloidal dispersions, are published in more than 200 manuscripts and are already in textbooks. His latest Lyklema plenary lecture at the ECIS2020 on-line Conference in September 2020, named “Capillarity and Self-Assembly”, summarized in a perfect manner his most recent remarkable accomplishments to the development of the new knowledge in the field of colloid science. Peter was an active participant one of the Holy Grails in nanoscience research: How to extend the DLVO approach to take into account steric interactions and subtle entropy effects in solvated layers in order to increase parameter-free predictive power of this theory as well as compatibility with thermodynamics.

Peter Kralchevsky moreover pioneered aspects on solid (nano)particles at fluid interfaces where the molecular, colloidal and mesoscale capillary forces combine. This work is well described in the first monographic book “Particles at Fluids Interfaces and Membranes: Attachment of Colloid Particles and Proteins to Interfaces and Formation of Two-Dimensional Arrays” (Elsevier, Amsterdam, 2001, co-author Kuniaki Nagayama) which was devoted to the behavior of colloidal particles at interfaces and in thin liquid films. These studies started an important new field in colloid science which comprises nowadays the design of new types of nanomaterials and important developments related to fine-tuning and stabilization of foams and emulsions without surfactants. These composite materials have a high application potential for the creation of novel materials for analytical and diagnostic approaches in medicine, and for other technological advancements.

The entire professional career of Peter Kralchevsky was linked to Sofia University. In 1981 he graduated Physics and started his academic career in the group of Professor Ivan Ivanov in the Department of Physical Chemistry of the Faculty of Chemistry. He received his PhD in 1985; became associate professor in 1991 and full professor in Condensed Matter Physics in 2002. For many years Peter headed the Laboratory of Thermodynamics and Physicochemical Hydrodynamics (1993–1999), the Laboratory of Chemical Physics and Engineering (2000–2008), and the Laboratory of Complex Fluids (2017–2020). He was also the Dean of the Faculty of Chemistry and Pharmacy at Sofia University (2015–2019). In 2012 Peter was elected a Fellow of the Bulgarian Academy of Sciences.

Peter was an author and lecturer of many University courses, and he had supervised numerous BSc and MSc students, as well as more than 15 PhD Theses. Peter was not only an eminent representative of the Bulgarian Colloid Chemistry community but also a kind and supportive teacher and colleague. His diverse scientific and teaching activities had brought him distinction, both national and international. He was recipient of the Prof. A. Zlatarov Prize of the Bulgarian Academy of Sciences and the Sofia University (1990); “St. Kliment Ohridski” University of Sofia Blue Ribbon Medal for significant achievements in science (2006); Annual award “Best Professor” (2007), and the highest National Award “Pythagoras” for scientific achievements (2016) of the Bulgarian Ministry of Education and Science. In 2020 Peter Kralchevsky was awarded the first ECIS – Lyklema Prize, in recognition of his outstanding scientific achievements and exceptional contributions to ECIS organizational activities and to the colloid community development. Link to the lecture

Peter Kralchevsky was a key actor member of the European and also International colloid community, and devoted to the development of ECIS (Secretary since 2010) and the joining of Eastern and Western Europe to the ECIC society. As Chair of the European COST Action D43 Colloid and Interface Chemistry for Nanotechnology (2008–2011) and Vice-Chair of COST Action CM1101 Colloidal Aspects of Nanoscience for Innovative Processes and Materials (2012–2016) his actions catalyzed hundreds of scientific contacts between formerly Eastern and Western European science.

In 2015, Peter was elected as a Member of the Council of the International Association of Colloid and Interface Scientists (IACIS, initiated by Hans Lyklema in 1957).

The death of Peter Kralchevsky is a significant loss to the European colloid and interface community. The legacy of his scientific contributions and his long-term service to the ECIS community will always be remembered.