advanced

A

Aristarchus
Aristotle

B

Brahe, Tycho

C

Carrington, Richard Christopher
Cassini, Jean Dominique
Clavius, Christoph
Copernicus

D

E

F

Fabricius, Johann
Fraunhofer, Joseph von

G

Galileo

H

Hale, Georges E.
Harriot, Thomas
Herschel, William

H

Herschel, John
Hevelius, Johannes

I

J

Janssen, Jules

K

Kepler, Johannes
Kirchhoff, Gustav

L

Langley, Samuel
Laplace, Pierre Simon
Lockyer, J. Norman
Lyot, Bernard

M

N

Newton, Isaac

O

P

Ptolemy, Claudius

Q

R

Ritter, Johann Wilhelm

S

Scheiner, Christoph
Schroeter, Johann
Schwabe, Samuel
Secchi, Angelo
Spörer, Gustav

T

U

V

Vogel, Hermann

W

Wolf, Rudolf
Wollaston, William Hyde

X

Y

Young, Charles

Z