Gala Placidia: biography of one of the most powerful women in Rome

Gala Placidia: biography of one of the most powerful women in Rome

Who was Gala Placidia? What do we know about this powerful and determined woman? Daughter, sister and mother of empresses, Gala Placidia takes the reins of the Empire at a time of acute economic, political and social crisis. It was the beginning of the 5th century and the days of the Western Empire were already …

Parmenides: biography and contributions of this Greek philosopher

Parmenides: biography and contributions of this Greek philosopher

Ancient philosophy can be divided into different stages. The philosophers before Socrates are called “pre-Socratics” and are known to move from myths, which were the means of explaining and apprehending the world at the time, to logos, which is based on the use of reason to the search for the truth. Parmenides was born in …

Dora Maria Kalff: biography and contributions of this psychoanalyst

Dora Maria Kalff: biography and contributions of this psychoanalyst

Dora Maria Kalff was a psychologist, follower of Carl Jung’s model of analytical psychology and also child psychiatrist Margarita Lowenfeld. and his world-class technique, so his way of working in psychotherapy was based on the development of a non-verbal space that allows the expression of the unconscious in a free way. Moreover, he became popular …

Ulric Neisser: biography and contributions of this American psychologist

Ulric Neisser: biography and contributions of this American psychologist

The psychologist Ulric Neisser stood out for being an important figure in cognitive psychologybeing even considered the father of this branch of psychology. Although his first intention was to study physics, he soon realized that what really interested him was psychology. So, after completing his doctorate, he began to work as a teacher of this …

Albert Einstein: biography and contributions of this German physicist

Albert Einstein: biography and contributions of this German physicist

Considered the greatest physicist since the days of Isaac Newton and the stereotypical appearance of a scientist, Albert Einstein is the first person that comes to mind when talking about science. Originally from Germany and raised in a Jewish family, his early childhood was that of a boy who didn’t seem as smart as he …

James Watt: biography and contributions of this Scottish engineer and inventor

James Watt: biography and contributions of this Scottish engineer and inventor

The greatest invention that the 18th century could offer the world was the one that changed everything, a device that marked the before and after of industrial production and contributed to the beginning of the Industrial Revolution: the steam engine. It was originally made by a certain Thomas Newcomen in 1712, but it wasn’t until …

Melanie Klein: biography and thought of this psychoanalyst

Melanie Klein: biography and thought of this psychoanalyst

Melanie Klein is one of the main representatives of psychoanalysis. Although an admirer of Sigmund Freud, her way of conceiving psychoanalytic therapy led her to bring out her own current within this great discipline: Kleinism. With an extremely difficult personal life, Melanie Klein knew how to face adversity and become one of the leading figures …

See Gordon Childe: biography and contributions of this Australian archaeologist

See Gordon Childe: biography and contributions of this Australian archaeologist

Vere Gordon Childe was an Australian archaeologist who helped take archeology seriously as an independent science instead of being seen as just an auxiliary science. His work has made it possible to understand the cultural evolution of prehistoric human beings, as well as to contribute to the idea that it is in contact with different …

Claudius Ptolemy: biography and contributions of this researcher

Claudius Ptolemy: biography and contributions of this researcher

Claudius Ptolemy was a Greek astronomer, mathematician, and geographer born in Egypt when the country was a Roman province. The contributions of this scientist were crucial, especially during the Middle Ages and the beginning of the Renaissance. Not much is known about Ptolemy’s life, but some of his works transcended him, especially thanks to medieval …

Hendrik Antoon Lorentz: biography and contributions of this Dutch physicist

Hendrik Antoon Lorentz: biography and contributions of this Dutch physicist

Hendrik Antoon Lorentz is one of the most important scientists in the recent history of the Netherlands, with discoveries which contributed to physics as we know it today and which influenced such illustrious figures as Albert Einstein and Ernest Rutherford. Widely devoted to both science and language, Lorentz contributed to the scientific landscape of his …

Ralph W. Tyler: Biography and contributions of this American educator

Ralph W. Tyler: Biography and contributions of this American educator

Ralph W. Tyler was considered one of the most important educators in the United States in the 20th century, thanks to his work and research in the field of education in his country, highlighting his curriculum model which will be explained in this article. Tyler’s curriculum model was defined by its author as a rational …

Otto Gross: biography of this Austrian psychoanalyst

Otto Gross: biography of this Austrian psychoanalyst

Otto Gross was a psychiatrist who took his first steps as a disciple of Sigmund Freud and contributed various theories to psychoanalysis. However, he had somewhat controversial ideas for the time, being considered an anarchist, which meant he was excluded from the Freudian school, as well as another set of problems for him. He had …

Robert Hooke: biography and contributions of this English researcher

Robert Hooke: biography and contributions of this English researcher

Robert Hooke is the scientist who invented the concept of “cell”, whose contributions throughout his scientific career have contributed to the development of biology and physics. Hooke also had a prolific career developed in other very different fields (watchmaking or chronometry, microscopy, astronomy, medicine, nautical and architecture), so he was nicknamed the English Leonardo da …

Alexander Fleming: biography and contributions of this British doctor

Alexander Fleming: biography and contributions of this British doctor

Of all the medical discoveries penicillin brought us in the 20th century, this is probably the most practical and the most important. Also the most anecdotal was discovered by pure chance, thanks to an accident caused by a distraction of a doctor and microbiologist named Alexander Fleming. Fleming and his penicillin are considered by many …

Niels Bohr: biography and contributions of this Danish physicist

Niels Bohr: biography and contributions of this Danish physicist

Niels Bohr was a Danish physicist who excelled in the field of atomic physics, with the creation of its atomic model and in Quantum Physics. He thus made new contributions to the first atomic silver model of Ernest Rutherford, adding that electrons were placed, in increasing numbers, in orbits around the nucleus. His studies and …

Carl Ritter: biography and contributions of this German geographer

Carl Ritter: biography and contributions of this German geographer

Carl Ritter was a German geographer, considered one of the main founders of modern geography along with Alexander von Humboldt. Thanks to them, geography was recognized as a science and it was taught as an academic subject in universities. For Ritter, geography has made it possible to know the interrelationships between living things and the …

Voltaire: biography of this French philosopher and writer

Voltaire: biography of this French philosopher and writer

If we say the name of François-Marie Arouet, it is possible that few know who we are referring to, but if we mention the pseudonym that he used most of his life, no doubt that most He will come to mind the figure of one of the most important thinkers of the Enlightenment: Voltaire. Of …

Barbara McClintock: Biography and contributions of this American scientist

Barbara McClintock: Biography and contributions of this American scientist

While in the 1930s it was suspected that chromosomes harbored genes, the pieces of genetic material that code the way we are, this has not been empirically proven. Many had tried, but no one had found visual evidence for the chromosome-gene relationship. But Barbara McClintock arrived, and with her self-cultivated corn plants, she managed to …

Francis Crick: biography and contributions of this physicist and biochemist

Francis Crick: biography and contributions of this physicist and biochemist

Francis Crick was trained in various scientific fields, was a British physicist, molecular biologist and neuroscientist. He is known for his important contribution to molecular biology, and in the field of science in general, for the discovery and approach of the model of the double helix structure of the molecule of deoxyribonucleic acid (DNA), a …

Hypatia of Alexandria: biography and contributions of this Greek philosopher

Hypatia of Alexandria: biography and contributions of this Greek philosopher

Hypatia of Alexandria was an illustrious woman with extensive training in various fields such as mathematics, astronomy and philosophy, being documented as the first female mathematics and scientist in history. She worked as a teacher in a school in the city of Alexandria and devoted herself throughout her life to cultivating her intellect and curiosity …

Rosalind Franklin: Biography and Contributions of British Chemistry

Rosalind Franklin: Biography and Contributions of British Chemistry

Rosalind Franklin was a British chemist who trained and mastered the technique of X-ray crystallography. Structure of DNA and RNA. It is about the DNA molecule that he made one of his greatest discoveries, materialized by “photograph number 51”, which will be used for the subsequent formulation of Francis Crick’s model of double helix structure. …

Georges-Louis Leclerc: biography and contributions of this naturalist

Georges-Louis Leclerc: biography and contributions of this naturalist

When it comes to evolutionism, most people think of the face of Charles Darwin and, to a lesser extent, that of Lamarck. Both are the most notable figures of the early days of evolutionism, but to be honest, they weren’t the precursors. Others have argued that species can change over time, either through environmental factors …

Dorothy Mary Crowfoot Hodgkin: biography and contributions of this chemistry

Dorothy Mary Crowfoot Hodgkin: biography and contributions of this chemistry

Dorothy Crowfoot was a British chemist known to have studied various three-dimensional biochemical structures using the technique of X-ray crystallography. Considering all the discoveries and contributions she made for most of her life, in 1964 she was awarded the Nobel Prize in Chemistry, being the fifth woman and the first Briton to win this prize …

Theodosius Dobzhansky: Biography of this Ukrainian geneticist

Theodosius Dobzhansky: Biography of this Ukrainian geneticist

Although the twentieth century began with the widely held modern theory of Darwinian evolution, there was much doubt about how natural selection came about. The inheritance of traits was something very recent study and Mendel’s work was still very unknown to the scientific community. Genetics was emerging and one of its most famous scholars was …

Joseph Lister: biography of this British surgeon and researcher

Joseph Lister: biography of this British surgeon and researcher

Throughout the 19th century, surgeries were a gamble on life or death. Antisepsis was unknown and even despised, as many doctors felt that washing hands or cleaning surgical instruments was unnecessary, even offensive, and asked them to do so. Fortunately, that has changed, although it would not have been possible without the influence of great …