Robert Sheckley

Damon Knight

George O. Smith

Robert W. (Robert William) Chambers

Benjamin Crowell

McDonald, Roderick A.

Joshua Wilson-Dumont

Jonathan Colman

Ursula Nafula

Noble Smithson

Milton Richards

African Storybook

Unknown

Albert Einstein

Anonymous

Edward Adams, Maximilian Stern

Albert Einstein

United States. Bureau of Animal Industry, Leonard Pearson, Rush Shippen Huidekoper, W. H. (William Heyser) Harbaugh, Charles B. Michener

M. R. (Milton R.) Trumbower, James Law, A. J. (Alexander James) Murray, Leonard Pearson, Brayton Howard Ransom, John R. (John Robbins) Mohler, A. (Adolph) Eichhorn, V. T. (Vickers T.) Atkinson, United States. Bureau of Animal Industry, C. Dwight (Charles Dwight) Marsh, Dr. (William) Dickson, Dr. (William Herbert) Lowe, Dr. (Benjamin Tilghman) Woodward, Richard W. (Richard West) Hickman

Various

Theodore Joseph Walker

William Diller Matthew

Charles A. (Charles Alexander) McMurry

Tatyana Feeney

Julia Golding

Elaine Wickson, Chris Judge

Saran Stewart, Sharline Cole and Yewande Lewis-Fokum

Chris Kyriacou

Holder, Jean

Harriet Muncaster