543:
533:
212:
in
Washington. He chose to go back to the Philippines and taught Physics at the University of the Philippines. He was later appointed dean of this faculty and was one of the only two UP professors with a PhD in physics. At the outbreak of World War II in 1941, he joined the Weather Bureau and acted
244:
was his research into ultra-violet light of different wavelengths, which required high vacuum photography. He also investigated ionizing radiation and its effects, electrical discharge in a high vacuum, and many others. He was also co-founder of the Bartol
Research Foundation, which did pioneering
192:
in 1915. He obtained another undergraduate degree in civil engineering from the same university in 1918. Del
Rosario then taught his alma mater for some time, after which he left for the United States for further study. He completed his master's in physics at Yale in 1924, topping his graduating
220:
From 1946 to 1958, del
Rosario was head of the Philippine Weather Bureau. He presided over the restoration of the status of the Philippine Observatory and also the restoration of the Philippine Astronomical Observatory. He also helped establish the
222:
245:
research in physics. He received various awards for his work, such as the
Presidential Award in 1965. He also received the University of the Philippines Alumni Award and was appointed National Scientist of the Philippines in 1982.
156:. Del Rosario is recognized for his restoration of the war-damaged Philippine Observatory and for his leadership in establishing various observatories to study the changing times and galaxies. He was an officer of the
1117:
213:
as the chief of the
Astronomical Division. His wartime contributions to the guerrilla effort against the Japanese include the establishment of the Guerilla Weather Station in
217:'s Victory Hill and building three reflecting telescopes with 9-inch and 1 2-inch apertures to help the guerrillas with their defensive tactics and reconnaissance efforts.
230:
1122:
401:
522:
365:
248:
Del
Rosario maintained his hobby of making telescopes in his retirement years. He was married to Esperanza Ouano, and he died in 1982 at the age of 86.
38:
1127:
193:
class of 48 international students. During his time at Yale, he received the coveted Junior
Sterling Research Fellowship and was also a roommate of
33:
354:
237:(WMO) and was president of a regional association of the WMO, which included the Philippines, Australia, Indonesia, New Zealand among others.
537:
109:
180:. His parents were Pantaleon del Rosario, a farmer, and Benita Villacin. Being four years old when he was in first grade, he went the
390:
234:
157:
226:
152:. He was named a national scientist in the Philippines in 1983 for being a pioneer in physics, meteorology, and astronomy in the
229:, and was the first Vice-Chairman and also Executive Director of the National Science Development Board, the forerunner of the
161:
452:
463:
189:
181:
95:
376:
208:
Due to the recognition of his published research by leading
American physicists, del Rosario was offered to teach at the
1132:
1112:
515:
508:
202:
99:
641:
1107:
956:
198:
184:
after graduating from the Cebu High School. He was nineteen when he completed his first undergraduate degree, a
441:
419:
927:
377:
Biographical entry in "Science and technology IV" by
Antonio G. Tayao, Gil Nonato Santos, Jorge P. Ocampo
836:
716:
618:
893:
635:
1137:
1102:
722:
430:
500:
944:
647:
606:
676:
1048:
779:
670:
589:
464:
Biographical entry on page 138 of Artemio R. Guillermo's Historical Dictionary of the Philippines
194:
796:
340:
979:
853:
819:
699:
664:
557:
209:
566:
233:. From 1954 to 1957, del Rosario was an ex-officio member of the executive committee of the
185:
259:
The Effect of a Hydrogen Atmosphere on the Velocity Distribution Among Thermionic Electrons
225:(PAGASA). He was the chairman of the Division of Physical and Mathematical Sciences of the
32:
950:
910:
802:
773:
1031:
859:
739:
489:
173:
59:
1096:
1065:
1008:
876:
693:
1014:
996:
973:
756:
583:
241:
542:
532:
1002:
153:
130:
355:
National Research Council of the Philippines Bulletin Bulletin, Issues 42-46
223:
Philippine Atmospheric, Geophysical and Astronomical Services Administration
149:
146:
303:
The effect of certain monochromatic ultraviolet radiation on euglena cells
391:
Biographical entry on National Scientists of the Philippines, 1978-1998
214:
126:
366:
Casimiro Villacin del Rosario, the national scientist from Bantayan
205:
with the dissertation "Very Soft X-ray Spectra of Heavy Elements".
177:
63:
504:
240:
As a scientist, one of del Rosario's major contributions to
431:
Biographical entry in Philippine Cultural Education website
270:
Low-pressure electric discharge in intense electric fields
402:
A List of American Doctoral Dissertations Printed in 1932
197:. In 1926, he was awarded a four-year fellowship by the
336:
334:
386:
384:
341:
Biographical entry in "Who's who in Atoms, Volume 1"
1118:
Academic staff of the University of the Philippines
1058:
1041:
1024:
989:
966:
937:
920:
903:
886:
869:
846:
829:
812:
789:
766:
749:
732:
709:
686:
657:
628:
599:
576:
550:
122:
105:
91:
83:
71:
45:
23:
201:in Philadelphia. He obtained his PhD in 1932 from
420:National Scientists of the Philippines, 1978-1998
292:The effect of radioactive radiations upon euglena
592:, Plant Taxonomy, Systematics, & Morphology
644:, Human Nutrition & Agricultural Chemistry
516:
8:
453:Call for Exchange of Scientific Publications
415:
413:
411:
409:
350:
348:
227:National Research Council of the Philippines
145:(June 13, 1896 – September 15, 1982) was a
523:
509:
501:
172:On June 13, 1896, Del Rosario was born in
39:National Academy of Science and Technology
31:
20:
799:, Biochemical Genetics & Cytogenetics
314:Very Soft X-Ray Spectra of Heavy Elements
615:, Physics, Astronomy, & Meteorology
330:
1123:National Scientists of the Philippines
879:, Political Economics & Government
782:, Biochemistry & Organic Chemistry
953:, Internal Medicine/ Gastroenterology
702:, Agriculture & Rural Development
305:, Journal of the Franklin Institute,
294:, Journal of the Franklin Institute,
283:, Journal of the Franklin Institute,
272:, Journal of the Franklin Institute,
110:National Scientist of the Philippines
7:
231:Department of Science and Technology
563:Alfredo Santos, Physical Chemistry
540:recipients
14:
235:World Meteorological Organization
160:and led the establishment of the
158:World Meteorological Organization
1128:20th-century Filipino scientists
1068:, Plant Pathology and Nematology
541:
531:
442:NRCP Research Bulletin, Issue 46
301:Swann, W.F.G., del Rosario, C.:
290:Swann, W.F.G., del Rosario, C.:
776:, Genetics & Plant Breeding
560:, Nutrition & Public Health
495:Who's who in Philippine history
281:Low-pressure electric discharge
276:, No.2, 243–250, February 1927.
569:, Engineering & Inventions
287:, No.1, 103–111, January 1928.
176:in the Philippine province of
162:Philippine Science High School
1:
1051:, Medical Genetics/Pediatrics
483:Filipinos in History, Vol III
479:National Historical Institute
190:University of the Philippines
182:University of the Philippines
143:Casimiro Villacin del Rosario
96:University of the Philippines
25:Casimiro Villacin del Rosario
538:Order of National Scientists
298:, No.3, 303–318, March 1931.
1154:
309:, No.5, 549–560, May 1932.
199:Bartol Research Foundation
100:University of Pennsylvania
1075:
957:Perla Dizon Santos Ocampo
742:, Experimental Psychology
136:
115:
30:
536:
856:, Systematic Entomology
497:, Tahanan Books, Manila
265:, 4, 769, October 1926.
930:, Veterinary Medicine
717:Jose Encarnacion, Jr.
252:Selected bibliography
999:, Biological science
723:Luz Oliveros-Belardo
673:, Philippine History
667:, Philippine History
613:Casimiro del Rosario
320:, 2, 136, July 1932.
1133:Filipino physicists
945:Mercedes Concepcion
928:Teodulo Topacio Jr.
607:Geminiano de Ocampo
37:Official portrait,
1113:Filipino educators
1049:Carmencita Padilla
862:, Plant Physiology
837:Bienvenido Juliano
805:, Plant Physiology
780:Clara Lim-Sylianco
759:, Nuclear Medicine
671:Encarnacion Alzona
638:, Animal Husbandry
619:Gregorio Velasquez
590:Eduardo Quisumbing
195:Ernest O. Lawrence
75:September 15, 1982
16:Filipino scientist
1090:
1089:
1015:Gavino Trono, Jr.
980:Bienvenido Nebres
854:Clare R. Baltazar
822:, Rural Sociology
820:Gelia T. Castillo
700:Dioscoro L. Umali
665:Teodoro Agoncillo
558:Juan Salcedo, Jr.
312:del Rosario, C.:
279:del Rosario, C.:
268:del Rosario, C.:
257:del Rosario, C.:
210:Howard University
140:
139:
117:Scientific career
1145:
1108:People from Cebu
1083:
1017:, Marine Biology
1011:, Marine Biology
982:,SJ, Mathematics
896:, Plant Breeding
894:Ricardo Lantican
725:, Phytochemistry
648:Carmen Velásquez
642:Francisco Santos
636:Francisco Fronda
567:Gregorio Y. Zara
545:
535:
525:
518:
511:
502:
492:
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186:Bachelor of Arts
78:
55:
53:
35:
21:
1153:
1152:
1148:
1147:
1146:
1144:
1143:
1142:
1093:
1092:
1091:
1086:
1079:
1071:
1054:
1037:
1020:
985:
962:
951:Ernesto Domingo
933:
916:
899:
882:
865:
842:
825:
808:
803:Jose R. Velasco
797:Dolores Ramírez
785:
774:Pedro B. Escuro
762:
745:
728:
705:
682:
679:, Public Health
653:
624:
609:, Ophthalmology
595:
572:
546:
529:
488:
478:
475:
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469:
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458:
451:
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389:
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364:
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353:
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327:
254:
170:
98:
92:Alma mater
76:
67:
57:
51:
49:
41:
26:
17:
12:
11:
5:
1151:
1149:
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1062:
1060:
1056:
1055:
1053:
1052:
1045:
1043:
1039:
1038:
1036:
1035:
1032:Emil Q. Javier
1028:
1026:
1022:
1021:
1019:
1018:
1012:
1006:
1005:, Horticulture
1000:
993:
991:
987:
986:
984:
983:
977:
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968:
964:
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941:
939:
935:
934:
932:
931:
924:
922:
918:
917:
915:
914:
913:, Biochemistry
907:
905:
901:
900:
898:
897:
890:
888:
884:
883:
881:
880:
873:
871:
867:
866:
864:
863:
860:Benito Vergara
857:
850:
848:
844:
843:
841:
840:
839:, Biochemistry
833:
831:
827:
826:
824:
823:
816:
814:
810:
809:
807:
806:
800:
793:
791:
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783:
777:
770:
768:
764:
763:
761:
760:
753:
751:
747:
746:
744:
743:
740:Alfredo Lagmay
736:
734:
730:
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697:
690:
688:
684:
683:
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674:
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661:
659:
655:
654:
652:
651:
650:, Parasitology
645:
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623:
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490:Carlos Quirino
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321:
316:, Phys. Rev.,
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277:
266:
261:, Phys. Rev.,
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169:
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138:
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133:
124:
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113:
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107:
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93:
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88:
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81:
80:
79:(aged 86)
73:
69:
68:
58:
47:
43:
42:
36:
28:
27:
24:
15:
13:
10:
9:
6:
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3:
2:
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1109:
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1082:
1078:
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1074:
1067:
1066:Romulo Davide
1064:
1063:
1061:
1057:
1050:
1047:
1046:
1044:
1040:
1034:, Agriculture
1033:
1030:
1029:
1027:
1023:
1016:
1013:
1010:
1009:Edgardo Gomez
1007:
1004:
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923:
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895:
892:
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878:
877:Onofre Corpuz
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724:
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695:
694:Julian Banzon
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485:, Manila, NHI
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66:, Philippines
65:
61:
56:June 13, 1896
48:
44:
40:
34:
29:
22:
19:
1080:
997:Angel Alcala
974:Raul Fabella
959:, Pediatrics
947:, Demography
911:Lourdes Cruz
757:Paulo Campos
677:Hilario Lara
612:
586:, Pediatrics
584:Fe del Mundo
494:
482:
459:
448:
437:
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397:
372:
361:
317:
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242:astrophysics
239:
219:
207:
171:
142:
141:
116:
77:(1982-09-15)
18:
1138:1982 deaths
1103:1896 births
1003:Ramon Barba
976:, Economics
719:, Economics
696:, Chemistry
621:, Phycology
154:Philippines
131:Meteorology
84:Nationality
1097:Categories
325:References
52:1896-06-13
188:from the
168:Biography
150:scientist
481:(1992),
174:Bantayan
147:Filipino
87:Filipino
60:Bantayan
1081:Retired
493:(1995)
473:Sources
215:Bulacan
127:Physics
123:Fields
106:Awards
1059:2024
1042:2023
1025:2019
990:2014
967:2011
938:2010
921:2008
904:2006
887:2005
870:2004
847:2001
830:2000
813:1999
790:1998
767:1994
750:1989
733:1988
710:1987
687:1986
658:1985
629:1983
600:1982
577:1980
551:1978
203:Penn
178:Cebu
72:Died
64:Cebu
46:Born
307:213
296:211
285:205
274:203
1099::
408:^
383:^
347:^
333:^
318:41
263:28
164:.
129:,
62:,
524:e
517:t
510:v
54:)
50:(
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