William K. Hartmann

Registry record

Past roles

Analyst for the University of Colorado UFO Project (Condon Report)

Credentials

Condon study analyst

UAP involvement

Analysed the Heflin photographs as Condon Report Case 52 (1968)

Principal disclosures

Small-model hypothesis; weather and photographic discrepancies; inconclusive reconstruction

Evidence contributed

Technical analysis

Knowledge type

Investigator (not witness)

Corroboration

Condon Report Case 52

Assessment

Documented analysis; replication shows plausibility, not the actual method

Last reviewed

2026-11-12

Evidence (1)

• Condon Case 52 finds small-model hypothesis plausible; weather/photo discrepancies; inconclusive ReportedSecondhand
  E-V99-018 · 1968 · Technical analysis