Happy birthday to Sister Rosetta Tharpe, born on this day in 1915! A true pioneer, playing rock ’n’ roll before it even had a name.

Thomas Edison did not single-handedly invent the light bulb. What he helped commercialize was a system. What Lewis Latimer helped make possible was light itself lasting long enough to be useful. In the late 19th century, early electric light bulbs existed—but they burned out quickly, were expensive, and were impractical for everyday use. Lewis Latimer, a brilliant draftsman, engineer, and inventor, developed an improved carbon filament that made light bulbs last longer, burn more evenly, and become affordable for widespread use. Without a durable filament, a bulb could not function reliably. In simple terms: without the filament, there is no usable light. Latimer’s work transformed electric lighting from a laboratory curiosity into something homes, streets, and businesses could actually depend on. His designs helped expand electric lighting across cities and made indoor lighting accessible beyond the wealthy. Ironically, Latimer later worked for Thomas Edison, drafting patents and improving systems at Edison’s company—even though his contributions were rarely highlighted in popular history. Latimer was also one of the only Black members of Edison’s elite engineering team, the Edison Pioneers. This is not about taking credit away from Edison. It’s about telling the complete story. Innovation is rarely the work of one person. Progress is built layer by layer, often by people whose names history chose to minimize or omit. Lewis Latimer didn’t just improve the light bulb—he helped light the modern world. And for generations, his contribution remained in the shadows of the very invention he helped illuminate. #BlackHistoryMonth