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El va inventar (Valdemar Poulsen)[https://es.wikipedia.org/wiki/Valdemar_Poulsen]
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El va inventar (Guillermo Marconi)[https://es.wikipedia.org/wiki/Guillermo_Marconi]
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El bolígraf BIC el va inventar (Ladislao Biro) [https://es.wikipedia.org/wiki/Ladislao_Biro]
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El va inventar (Martin Cooper)[https://es.wikipedia.org/wiki/Martin_Cooper]
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El va inventar (Ivan A. Getting)[https://en.wikipedia.org/wiki/Ivan_A._Getting]
Plan projects on a visual timeline
Map milestones, phases, deadlines, and key events in one place so the sequence is easier to see and share. Timetoast is a timeline maker for work, school, research, and stories.