Kenney traces how venture capital became integrated into the US national system of innovation, arguing VC emerged as part of a broader organizational ecology alongside startups, lawyers, and investment bankers, through a genuine trial-and-error process testing forms like public and private small business investment corporations and corporate venture arms, before the limited partnership eventually became dominant. He links VC's growth to technological trajectories in information, communications, and biomedical fields, shaped by both government action and serendipitous events, most notably the Space Race launched after Sputnik, which was never intended to benefit the fledgling VC industry but ended up doing so anyway. Kenney argues VC needed legitimacy through two channels, strong investment returns and portfolio companies achieving successful public offerings, before being recognized as durable, structuring the paper as a chronological narrative from pre-Depression financing through the four pioneering 1946-1958 VC firms, the limited partnership's 1960s rise, the turbulent 1970s, and VC's eventual routinization.

This is a genuinely rigorous academic history of the VC industry's institutional formation, distinct from the more practitioner-oriented histories already in this archive, giving researchers a framework grounded in national innovation systems theory for understanding why the limited partnership specifically won out over other organizational forms VCs experimented with. The finding that the Space Race benefited early VC purely by accident, rather than through deliberate policy design, is a useful, humbling case study for policymakers trying to design deliberate VC-boosting interventions today, since it suggests some of the most consequential government influence on VC history was genuinely unplanned rather than strategically engineered. The two-part legitimacy framework, strong returns plus successful portfolio company IPOs, gives emerging fund managers and industry historians a clear, testable standard for what it actually took for VC to become recognized as legitimate within the broader US financial system, useful for anyone studying how a newer asset class or investment vehicle might similarly need to earn legitimacy today.