Category:20th-century Irish scientists

• 20th-century scientists from Northern Ireland (7 C, 6 P)

+

• 20th-century Irish women scientists (3 C, 37 P)

A

• 20th-century Irish anthropologists (1 C)
• 20th-century Irish archaeologists (42 P)
• 20th-century Irish astronomers (30 P)

B

• 20th-century Irish biologists (3 C, 17 P)

C

• 20th-century Irish chemists (1 C, 22 P)

E

• 20th-century Irish economists (55 P)
• 20th-century Irish engineers (2 C, 45 P)

G

• 20th-century Irish geologists (17 P)

M

• 20th-century Irish mathematicians (1 C, 76 P)
• 20th-century Irish medical doctors (2 C, 160 P)

P

• 20th-century Irish physicists (1 C, 27 P)

B

• Fionula Brennan
• Ruth M. J. Byrne

C

• P. Michael Conneally

D

• Karin Dubsky
• Pearl Dunlevy

F

• Desmond Fitzgerald (professor)
• Michael Fitzgerald (psychiatrist)

G

• Ethna Gaffney

L

• Percy Ludgate

M

• Michael Manahan
• Barry McSweeney

O

• James O'Donovan
• Joseph Ó Ruanaidh

R

• Tomás Roseingrave

S

• Seán Scanlan
• Niamh Shaw
• Boyle Somerville