Short answers, pulled from the story.
The oldest known drawings on record were created by humans approximately 30,000 years ago. These early pictograms were found in caves and on rock surfaces before the invention of written language. They served as a specialized form of communication that depicted objects and abstract concepts.
Leonardo da Vinci famously argued that drawing was the foundation of all visual arts during the 15th century. He emphasized the importance of contour lines over the colored surface. This perspective sparked the Quarrel of Color in the 17th century and defined drawing as an independent art form.
In 1609, astronomer Galileo Galilei used his observational drawings to explain the changing phases of Venus and the existence of sunspots. These visual representations proved that drawing could be as powerful as written explanation. The drawings served as essential instruments of discovery for communicating complex ideas.
The invention of photography in the 19th century fundamentally altered the hierarchy of the arts by shifting the focus away from the traditional necessity of drawing for accurate representation. Cameras could capture visual phenomena with greater precision, which gave traditional drawing practice less emphasis in Western society. This shift encouraged artists to explore more imaginative and abstract approaches instead.
The materials used in drawing have evolved from dry media like graphite, charcoal, and pastels to fluid solvents such as ink and markers. Artists choose their tools based on the desired effect, with smooth paper allowing for fine detail and toothy paper holding the drawing material better for deeper contrast. The choice of paper, from newsprint to acid-free archival quality, significantly impacts the longevity and appearance of the work.
Research into the drawing process has revealed that the ability to create visually accurate drawings is influenced more by perception than by motor control. Studies suggest that an individual's capacity to perceive an object as it truly is is the most significant factor in drawing ability. This insight formed the basis of Betty Edwards' influential book, Drawing on the Right Side of the Brain.