He had more than one student. One of them was Jan Oort.
Oort
Schwann
He mainly studied birds; finches were the main ones he studied.
Present perfect is formed with: have/has + past participle.The past participle of study is studied. So the present perfect is:have studied --- I have studied English Grammarhas studied -- She has studied algebra
Margaret Mead was an American cultural anthropologist. Her book has come under fire because she did not live with the people she studied and was lied to by them.
electronics
Henriette Kapteyn Hertzsprung has written: 'J. C. Kapteyn, zijn leven en werken'
Jacobus Kapteyn was born on January 19, 1851.
Jacobus Kapteyn was born on January 19, 1851.
Olga Fröbe-Kapteyn was born in 1881.
Olga Fröbe-Kapteyn died in 1962.
Jacobus Kapteyn died on June 18, 1922 at the age of 71.
Jacobus Kapteyn died on June 18, 1922 at the age of 71.
Jacobus Kapteyn was born on January 19, 1851 and died on June 18, 1922. Jacobus Kapteyn would have been 71 years old at the time of death or 164 years old today.
J. C. Kapteyn has written: 'On the individual parallaxes of the brighter galactic helium stars in southern hemisphere' -- subject(s): Parallax, Stars
Bruce lee studied martial arts under grandmaster yip man
man witch
Kepler