The early days of venture capital were shaped by pioneers who emphasized active involvement and stage-by-stage investing. Don and Tom, founders of Sequoia and Kleiner Perkins, respectively, brought a hands-on approach to nurturing startups, recognizing the importance of operational expertise over mere financial backing. Their investment in companies like Atari highlights the unconventional and often chaotic culture of early tech ventures, where creativity thrived amidst a backdrop of eccentric practices.