Guido van Rossum—Created Python programming language as open source, shaping modern software development

Feb 20, 1991

Guido van Rossum created Python in 1991 and maintained it as open source software. Python became one of the world's most popular programming languages, widely used in web development, data science, AI/ML, and education. Van Rossum served as Python's 'Benevolent Dictator for Life' until 2018, ensuring the language remained open and community-governed.

Scoring Impact

Topic	Direction	Relevance	Contribution
Knowledge Access & Information Freedom	+toward	secondary	+0.50
Open Source	+toward	primary	+1.00
Overall incident score =			+0.750

Score = avg(topic contributions) × significance (critical ×2) × confidence (0.50)

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