Abraham Maslow introduced his now-famous hierarchy of needs in 1943, proposing that people had to achieve a sequential set of conditions to attain complete fulfilment. The five levels of the hierarchy were represented as a pyramid to convey the idea that higher levels, such as self-actualization, could not be reached until lower levels, such as basic physiological needs, were first conquered.
![maslows hierarchy of needs](https://www.nofaxpaydayl9.com/wp-content/uploads/2018/10/1000px-maslows_hierarchy_of_needs-100710362-medium.jpg)
Maslow’s original hierarchy of needs
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