By 2020, it is expected that approximately 70 % of the world’s surface astronomical observation will be located in Chile, considering both optical and infrared telescopes, belonging to international institutions. How did this happen? Can we explain the overwhelming importance of astronomy in this southern country only because of its geography? This process began when scientists from Europe, the United States, and the Soviet Union went to Chile in the 1960s, and each one of them decided to build a massive observatory in the country. The atmospheric conditions certainly had a role in these decisions, but they were also related to Cold War politics and, indirectly, to the previous history of astronomy in Chile. The international dimension of astronomy in Chile had been preset since the mid-19th century, when the first modern astronomy initiative took place. An American expedition built the first observatory, which later became the National Astronomical Observatory. By the early 20th century, another American expedition had arrived in Chile, and this one stayed for more than twenty years. Decades later, the global dimension of astronomy took the decisive step in the southern country and set the milestone for the development in the hands of Europeans, Americans and Soviets. In the process, Chileans became involved with astronomy, trying to promote science, the country’s international relations, and to grasp the attractions of modernity.
Bárbara K. Silva
Olival Freire Junior
Twentieth-century science and technology in Brazil were marked by the building of new institutions of higher education, research, and research funding as well as by the professionalization of scientific practice in the country. Most of these changes were state driven and state funded, while some support came from foreign philanthropic foundations and states and, on a smaller scale, from the private sector. The mid-20th-century was when most activity took place, for instance the founding of the University of São Paulo, as a reaction of the state of São Paulo to national political changes in 1930, and the establishment of funding agencies such as Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) and Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES), as initiatives of the federal government. Throughout the century the institutionalization of science moved from a strictly pragmatic model toward the acknowledgement of science as the professional activity required for the production of new knowledge. In Brazil the development of science has been marked by a succession of ups and downs closely following economic cycles and political times, albeit not perfectly synchronously. Therefore, a major brain drain began in 1960 during a democratic regime, and the 1964 military dictatorship restrained civil rights while supporting science from 1970 on. Chronological limits in this history are not turning points. On the one hand, as the 21st century began Brazilian academia suffered further ups and downs closely related to political and funding crises, which have worsened since President Jair Bolsonaro assumed office in 2019. On the other hand, the huge impact of the 20th-century changes in Brazilian academia should not detract from the production of science and technology in previous centuries.
The prevention of communicable diseases, the containment of epidemic disorders, and the design of programs and the implementation of public health policies went through important transformations in Mexico, as in other Latin American nations, between the final decades of the 19th century and first half of the 20th century. During that period not only did the advances in medical science make possible the identification and containment of numerous contagious diseases; it was also a time when the consolidation of formal medical institutions and their interaction with both national and international actors contributed to shape the definitions and solutions of public health problems. Disease prevention strategies were influenced by medical, scientific, and technical innovations and by the political values and commitments of the period, and Mexico experienced profound and far-reaching political, economic, and social transformations: the apogee, crisis, and downfall of the long Porfirio Díaz regime (1876–1910), the armed phase of the Mexican Revolution (1910–1920), and the period of national reconstruction (1920–1940). Thus, during the period under consideration, and alongside the consolidation of an official medical apparatus as an integral part of public power, the promotion of public health became a crucial element to reinforce the political unification and the social and economic strength of the country.