David McClelland
Psychologist, established need theory
Psychologist, established need theory
1917
109 years ago
Thinkers & Philosophers
United States
Contributed significantly to the field of psychology with the development of the need for achievement theory. Focused on how individual differences in motivation affect performance. Served as a professor at Harvard University, influencing the study of personality and motivation. Authored several influential books and articles, advancing the understanding of human behavior and motivation in various contexts, including education and the workplace.
Developed the need for achievement theory
Authored 'The Achieving Society'
Pioneered the concept of motivational needs
A screenwriter and producer, contributed significantly to film and television during a career spanning several decades. Developed the screenplay for 'The Bad Seed', which became a classic psychological thriller. Served as the president of the Writers Guild of America, cementing influence in the industry. Wrote and produced numerous teleplays, including adaptations of literary works, showcasing talent in storytelling and character development.
Continue ReadingActive in the 18th century, this painter specialized in large-scale frescoes and became one of the leading figures of the Rococo style. Tiepolo's oeuvre includes notable works in churches and palaces across Europe, showing an exceptional ability to convey movement and light. His significant projects involved working in Venice, Bavaria, and Würzburg. The artist collaborated with his sons, helping to establish a family dynasty in painting. Through meticulous planning and a signature color palette, Tiepolo's compositions combined grand themes with vibrant depictions, creating a distinctive style that resonated across ages.
Continue ReadingServed as a U.S. Senator from Connecticut from 1989 to 2013. Pioneered initiatives on education, healthcare, and national security during tenure. Ran for Vice President in 2000 as Al Gore's running mate. Received accolades for efforts in bipartisan cooperation and advocacy for various issues including climate change and healthcare reform.
Continue ReadingAn American actor gained prominence in the 1940s, particularly recognized for performances in Alfred Hitchcock's films. Starred in 'Rope' and 'Strangers on a Train', showcasing strong dramatic abilities. Worked in film and theater, contributing to productions both on Broadway and in various films throughout his career. Granger remained active in the entertainment industry for decades, appearing in television series and plays.
Continue ReadingA prominent comedian and actor, celebrated for contributions to the early years of television. Became a major star with the NBC television program 'The Milton Berle Show', which popularized the variety show format in the 1940s and 1950s. Pioneered comedic styles that influenced future generations of performers. Additionally, appeared in films such as 'It's a Mad, Mad, Mad, Mad World' and made guest appearances on various television series throughout his career. Berle's influence extended into the realm of stand-up comedy and theatrical performances, maintaining a significant presence in American entertainment until his later years.
Continue ReadingAn influential French author, contributed significantly to literature through several acclaimed novels. Merle's literary career began in the mid-20th century, with works that often explored themes of survival and human nature. 'Malevil', published in 1972, gained critical acclaim and popularity, becoming a classic of dystopian fiction. The narrative presents a post-apocalyptic scenario, examining the dynamics of society after a catastrophic event. Other notable works include 'Week-end à Zuydcoote', which reflects on World War II experiences. Merle's style combines a deep understanding of historical contexts with gripping storytelling.
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