To Dr. S. J. Essenson
for his invaluable advice on certain medical matters
ABIGAIL DOORN a millionairess
HULDA DOORN an heiress
HENDRIK DOORN an ovis ebenus
SARAH FULLER a companion
DR. FRANCIS JANNEY a Head Surgeon
DR. LUCIUS DUNNING a diagnostician
EDITH DUNNING a sociologist
DR. FLORENCE PENNINI an obstetrician
DR. JOHN MINCHEN a Medical Director
DR. ARTHUR LESLIE a surgeon
DR. ROBERT GOLD an interne
DR. EDWARD BYERS an anæsthetist
LUCILLE PRICE a trained nurse
GRACE OBERMANN a trained nurse
MORITZ KNEISEL a “genius”
JAMES PARADISE a superintendent
ISAAC COBB a “special”
PHILIP MOREHOUSE an attorney
MICHAEL CUDAHY a racketeer
THOMAS SWANSON a mystery
LITTLE WILLIE, JOE GECKO, SNAPPER a bodyguard
BRISTOL a butler
PETE HARPER a newspaperman
HENRY SAMPSON a District Attorney
TIMOTHY CRONIN an assistant D. A.
DR. SAMUEL PROUTY a Medical Examiner
THOMAS VELIE a Detective-Sergeant
LIEUTENANT RITCHIE a District Detective
FLINT, RITTER, PIGGOTT, HESSE, JOHNSON a detective squad
INSPECTOR RICHARD QUEEN a policeman
ELLERY QUEEN an analyst