The Unlikely Rise and Collapse of the Bulgarian Computer

Recent questions

• What was Bulgaria's role in the computer industry in 1989?

  In 1989, Bulgaria was a significant player in the computer industry, exporting more computers than all Eastern Bloc countries combined and producing hard drive disk memories. The country's electronics industry employed over 11% of its workforce, creating some of the world's first electronic calculators and personal computers. The Bulgarian Communist Party, under Todor Zhivkov, focused on machinery and tools for heavy industry, inspired by Japan's economic model. Bulgarian scientists began studying Soviet cybernetics in the 1950s, leading to the establishment of a computing center in 1961 and the creation of Vitosha, Bulgaria's first digital computer, in 1963.

• Who played a crucial role in Bulgaria's semiconductor development?

  Physicist Yordan Kasabov played a crucial role in Bulgaria's semiconductor development. Under his leadership, Bulgaria's semiconductor capacity rapidly advanced, enabling the production of IC-based devices like the ELKA-42 calculator. The Bulgarian Institute of Microelectronics, also led by Kasabov, played a significant role in the country's semiconductor development, ultimately leading to the creation of microprocessors like the CM-400.

• What led to Ivan Popov's downfall in Bulgaria's computer industry?

  Ivan Popov's downfall in Bulgaria's computer industry came from proposing to build mainframes in competition with the Soviet Union and East Germany, which led to his removal from the Politburo. Despite his significant contributions to Bulgaria's computer system production, his ambitious plans to challenge established powers ultimately resulted in his downfall.

• How did Bulgaria secure a monopoly in computer component manufacturing?

  To secure a monopoly in computer component manufacturing, Ivan Popov coordinated the construction of seven new plants for manufacturing computer components. By negotiating technology transfer agreements with Western companies like Fujitsu for memory tape designs and copying IBM's disk drives, Bulgaria was able to establish itself as a key player in the industry, profiting greatly from selling high-tech systems at high prices.

• What types of computers did Bulgaria excel in producing?

  Bulgaria excelled in producing mainframes, minicomputers, and personal computers like the IMKO-1 and Pravetz-82. These computers became popular and accessible to many, with Bulgaria venturing into supercomputers in the 1980s and exporting them to countries like India as alternatives to American machines. The country's success in producing a variety of computer systems solidified its position as a significant player in the global computer industry.