This dimension groups energy pioneers by the era in which they worked. Wikipedia notes that renewable energy systems "have rapidly become more efficient and cheaper over the past 40 years," progress achieved by pioneers working across several distinct eras. Browsing by era lets a visitor compare pioneers active in the same period.
Era
Connections
Open Questions
Source American Society of Civil Engineers Official Site
Sources
Encyclopedia Britannica
American Society of Civil Engineers Official Site
American Society of Civil EngineersOpen Questions: When was Henry J. Rogers born and when did he die?View the Source Reader Challenges (0)
No disputes yet. Spotted an error or a better source? Open the first one.
Sign in to dispute this or suggest a correction.
Open Questions (1 open question)
When was Henry J. Rogers born and when did he die?
Biographical sources on Henry J. Rogers, the Appleton industrialist behind the Vulcan Street Plant, document his business role and home in detail but no birth or death date has been found in the sources consulted this pass.
What would resolve this A primary genealogical record, such as an obituary, gravestone, census entry or probate record, naming his birth and death dates.
Genealogy and local historyAmerican Society of Civil Engineers Official Site