List of Famous people with last name Kapteyn

Henry Kapteyn

First Name Henry

Last Name Kapteyn

Born on January 1, 1963 (age 63)

Know him/her

Don't know him/her

Jacobus Kapteyn

First Name Jacobus

Last Name Kapteyn

Died on June 18, 1922

Prof Jacobus Cornelius Kapteyn FRS FRSE LLD was a Dutch astronomer. He carried out extensive studies of the Milky Way and was the discoverer of evidence for galactic rotation. Kapteyn was also among the first to suggest the existence of dark matter using stellar velocities as early as 1922.

Know him/her

Don't know him/her

    index: 1x 0.024399042129517s
fmsppl-page-output: 1x 0.012052059173584s
t_/pages/list-of-people: 1x 0.01201319694519s
router_page: 1x 0.01154899597168s
list-of-people-content: 1x 0.0103919506073s
t_/common/header: 1x 0.0061349868774414s
t_/blocks/list-of-people: 1x 0.0033071041107178s
headline: 2x 0.0032262802124023s
t_/blocks/person-card: 2x 0.0030498504638672s
qids: 2x 0.00056791305541992s
t_/common/footer: 1x 0.00026488304138184s
t_/common/head: 1x 0.00024294853210449s
head-facts: 1x 0.00021100044250488s
t_/blocks/switcher: 1x 6.6041946411133E-5s
related: 1x 3.0994415283203E-6s
using-qids-cache: 1x 1.1920928955078E-6s
----- END OF DUMP (2026-08-03 17:41:08)  -----