Serendipity is looking in a haystack for a needle and discovering a farmer's daughter. Julius H. Comroe, Jr. More Quotes by Julius H. Comroe, Jr. More Quotes From Julius H. Comroe, Jr. ...Lag...occurred between an initial discovery and its effective clinical application. We analyzed 111 such lags: 8% amounted to 0.1 to 1 year; another 18% were 1 to 10 years; 17% (lagged) 11-20 years;...39% (lagged) 21-50 years; only 18% required more than 50 years for application. Julius H. Comroe, Jr. dark discovery years